Que signifie F02 sur IVEM8048-II ?

Fault: Bus voltage is too low. Cause: Internal bus voltage abnormally low. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F03 sur IVEM8048-II ?

Fault: Bus soft start fail. Cause: Internal components failed. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F04 sur IVEM8048-II ?

Fault: Inverter soft start fail. Cause: Internal components failed. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F05 sur IVEM8048-II ?

Fault: Over current or surge detected by Software. Cause: Software-detected over current or surge condition. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F06 sur IVEM8048-II ?

Fault: Over current or surge detected by hardware. Cause: Hardware-detected over current or surge condition. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F07 sur IVEM8048-II ?

Fault: Output voltage is too low. Cause: Output voltage below acceptable range, possibly due to overload. Fix: Reduce the connected load. Restart the unit, if the error persists, contact the repair center.

Que signifie F08 sur IVEM8048-II ?

Fault: Output voltage is too high. Cause: Output voltage exceeds acceptable range. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F09 sur IVEM8048-II ?

Fault: Output short circuited. Cause: Short circuit on AC output wiring or connected load. Fix: Check if wiring is connected well and remove abnormal load.

Que signifie F10 sur IVEM8048-II ?

Fault: Overload time out. Cause: Connected load has exceeded the inverter's overload capacity for too long. Fix: Reduce the connected load by switching off some equipment.

Que signifie F11 sur IVEM8048-II ?

Fault: Battery voltage is too high. Cause: Battery voltage exceeds the inverter's allowed maximum. Fix: Check if spec and quantity of batteries are meet requirements.

Que signifie F12 sur IVEM8048-II ?

Fault: Over current happen at DC/DC circuit. Cause: Over current detected in the DC/DC converter circuit. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F16 sur IVEM8048-II ?

Fault: Over current happen at PV port. Cause: Over current detected at the PV input port. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F17 sur IVEM8048-II ?

Fault: Fan is locked. Cause: Fan wiring not connected well or fan failure. Fix: Check if wiring is connected well. Replace the fan.

Que signifie F18 sur IVEM8048-II ?

Fault: Over temperature happen at PV circuit. Cause: The temperature of internal PV component is over the limitation. Fix: Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Que signifie F19 sur IVEM8048-II ?

Fault: Over temperature happen at Convert L circuit. Cause: The temperature of Convert L battery converter component is over the limitation. Fix: Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Que signifie F20 sur IVEM8048-II ?

Fault: Over temperature happen at INV circuit. Cause: The temperature of internal INV component is over the limitation. Fix: Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Que signifie F21 sur IVEM8048-II ?

Fault: The inner temperature over. Cause: The inner temperature is over the limitation. Fix: Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Que signifie F22 sur IVEM8048-II ?

Fault: DCDC current sensor failed. Cause: DCDC current sensor failure. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F23 sur IVEM8048-II ?

Fault: No.2 DCDC current sensor failed. Cause: Second DCDC current sensor failure. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F24 sur IVEM8048-II ?

Fault: Inverter current sensor failed. Cause: Inverter current sensor failure. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F25 sur IVEM8048-II ?

Fault: OP current sensor failed. Cause: Output current sensor failure. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F26 sur IVEM8048-II ?

Fault: Sharing current sensor failed. Cause: Current-sharing sensor failure (parallel system). Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F29 sur IVEM8048-II ?

Fault: DC/DC soft start fail. Cause: DC/DC converter soft start failure. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F31 sur IVEM8048-II ?

Fault: Over temperature happen at convert H circuit. Cause: The temperature of internal convert H component is over the limitation. Fix: Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Que signifie F32 sur IVEM8048-II ?

Fault: Over temperature happen at LLC TX. Cause: The temperature of internal DC/DC TX is over the limitation. Fix: Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Que signifie F33 sur IVEM8048-II ?

Fault: Over current happen at LLC circuit. Cause: Over current detected in the LLC circuit. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F34 sur IVEM8048-II ?

Fault: DC/DC hardware overflows. Cause: DC/DC converter hardware overflow. Fix: Restart the unit, if the eror happens again, contact the repair center.

Que signifie F35 sur IVEM8048-II ?

Fault: Overvoltage occurs in BUS. Cause: AC surge or PV surge or internal components failed. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie F40 sur IVEM8048-II ?

Fault: CAN data loss. Cause: CAN communication data loss between parallel inverters. Fix: 1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Que signifie F42 sur IVEM8048-II ?

Fault: Synchronization data loss. Cause: Synchronization data loss in parallel communication. Fix: 1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Que signifie F45 sur IVEM8048-II ?

Fault: The output current of each inverter is different. Cause: Output current imbalance between parallel inverters. Fix: 1. Check if sharing cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Que signifie F47 sur IVEM8048-II ?

Fault: Generator current sensor failed. Cause: Generator current sensor failure. Fix: Restart the unit, if the error persists, contact the repair center.

Que signifie W01 sur IVEM8048-II ?

Warning: Fan is locked. Beep three times every second. Cause: Fan wiring not connected well or fan failure. Fix: Check if the Fans wiring connected well. Replace the fan.

Que signifie W03 sur IVEM8048-II ?

Warning: Low battery. Beep once every second. Cause: Battery voltage is too low. Fix: The battery voltage is too low, it should be charging.

Que signifie W04 sur IVEM8048-II ?

Warning: Grid anomaly. Grid icon blinking. Cause: Grid input is over voltage or over frequency. Fix: Check whether the input is overvoltage or overfrequency.

IVEM8048-II

Onduleur56 codes

also coversIVEM12048-IIIVEM 8K-12K Series II

42 Défaut 14 Avertissement

F01Bus voltage is too high.Défaut

Description

Fault: Bus voltage is too high. Inverter cuts off output, fault LED solid on, ERROR icon shown on LCD.

Cause

AC Surge or internal components failed.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 42

F02Bus voltage is too low.Défaut

Description

Fault: Bus voltage is too low.

Cause

Internal bus voltage abnormally low.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F03Bus soft start fail.Défaut

Description

Fault: Bus soft start fail.

Cause

Internal components failed.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F04Inverter soft start fail.Défaut

Description

Fault: Inverter soft start fail.

Cause

Internal components failed.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F05Over current or surge detected by Software.Défaut

Description

Fault: Over current or surge detected by Software.

Cause

Software-detected over current or surge condition.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F06Over current or surge detected by hardware.Défaut

Description

Fault: Over current or surge detected by hardware.

Cause

Hardware-detected over current or surge condition.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F07Output voltage is too low.Défaut

Description

Fault: Output voltage is too low.

Cause

Output voltage below acceptable range, possibly due to overload.

Correction recommandée

Reduce the connected load. Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F08Output voltage is too high.Défaut

Description

Fault: Output voltage is too high.

Cause

Output voltage exceeds acceptable range.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F09Output short circuited.Défaut

Description

Fault: Output short circuited.

Cause

Short circuit on AC output wiring or connected load.

Correction recommandée

Check if wiring is connected well and remove abnormal load.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F10Overload time out.Défaut

Description

Fault: Overload time out.

Cause

Connected load has exceeded the inverter's overload capacity for too long.

Correction recommandée

Reduce the connected load by switching off some equipment.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F11Battery voltage is too high.Défaut

Description

Fault: Battery voltage is too high.

Cause

Battery voltage exceeds the inverter's allowed maximum.

Correction recommandée

Check if spec and quantity of batteries are meet requirements.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F12Over current happen at DC/DC circuit.Défaut

Description

Fault: Over current happen at DC/DC circuit.

Cause

Over current detected in the DC/DC converter circuit.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F13PV voltage is too high.Défaut

Description

Fault: PV voltage is too high.

Cause

PV array open-circuit voltage exceeds the inverter's maximum input voltage.

Correction recommandée

Reduce the number of PV modules in series.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F14Short circuited happen at PV port.Défaut

Description

Fault: Short circuited happen at PV port.

Cause

Short circuit detected at the PV input port or wiring.

Correction recommandée

Check if wiring is connected well.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F15PV power is abnormal.Défaut

Description

Fault: PV power is abnormal.

Cause

PV input power exceeds the inverter's allowed maximum.

Correction recommandée

Reduce the number of PV modules.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F16Over current happen at PV port.Défaut

Description

Fault: Over current happen at PV port.

Cause

Over current detected at the PV input port.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F17Fan is locked.Défaut

Description

Fault: Fan is locked.

Cause

Fan wiring not connected well or fan failure.

Correction recommandée

Check if wiring is connected well. Replace the fan.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F18Over temperature happen at PV circuit.Défaut

Description

Fault: Over temperature happen at PV circuit.

Cause

The temperature of internal PV component is over the limitation.

Correction recommandée

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F19Over temperature happen at Convert L circuit.Défaut

Description

Fault: Over temperature happen at Convert L circuit.

Cause

The temperature of Convert L battery converter component is over the limitation.

Correction recommandée

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F20Over temperature happen at INV circuit.Défaut

Description

Fault: Over temperature happen at INV circuit.

Cause

The temperature of internal INV component is over the limitation.

Correction recommandée

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 43

F21The inner temperature over.Défaut

Description

Fault: The inner temperature over.

Cause

The inner temperature is over the limitation.

Correction recommandée

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F22DCDC current sensor failed.Défaut

Description

Fault: DCDC current sensor failed.

Cause

DCDC current sensor failure.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F23No.2 DCDC current sensor failed.Défaut

Description

Fault: No.2 DCDC current sensor failed.

Cause

Second DCDC current sensor failure.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F24Inverter current sensor failed.Défaut

Description

Fault: Inverter current sensor failed.

Cause

Inverter current sensor failure.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F25OP current sensor failed.Défaut

Description

Fault: OP current sensor failed.

Cause

Output current sensor failure.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F26Sharing current sensor failed.Défaut

Description

Fault: Sharing current sensor failed.

Cause

Current-sharing sensor failure (parallel system).

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F27The AC input and output wires are inversely connected.Défaut

Description

Fault: The AC input and output wires are inversely connected.

Cause

AC input and output wires connected reversely.

Correction recommandée

1. Please check AC input and output wires are connected correctly. 2. if this error happens during parallel installation, please check wires connection. if they are connected correctly, please funish parallel installation first, and then restart inverters. 3. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F28Single unit is installed to parallel system.Défaut

Description

Fault: Single unit is installed to parallel system.

Cause

A single unit is detected as installed in a parallel system.

Correction recommandée

1. Please check if single unit is installed to parallel system. 2. if this error happens during parallel installation, please check wires connectiotn. if they are connected correctly, please funish parallel installation first, and then restart inverters. 3. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F29DC/DC soft start fail.Défaut

Description

Fault: DC/DC soft start fail.

Cause

DC/DC converter soft start failure.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F31Over temperature happen at convert H circuit.Défaut

Description

Fault: Over temperature happen at convert H circuit.

Cause

The temperature of internal convert H component is over the limitation.

Correction recommandée

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F32Over temperature happen at LLC TX.Défaut

Description

Fault: Over temperature happen at LLC TX.

Cause

The temperature of internal DC/DC TX is over the limitation.

Correction recommandée

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F33Over current happen at LLC circuit.Défaut

Description

Fault: Over current happen at LLC circuit.

Cause

Over current detected in the LLC circuit.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F34DC/DC hardware overflows.Défaut

Description

Fault: DC/DC hardware overflows.

Cause

DC/DC converter hardware overflow.

Correction recommandée

Restart the unit, if the eror happens again, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F35Overvoltage occurs in BUS.Défaut

Description

Fault: Overvoltage occurs in BUS.

Cause

AC surge or PV surge or internal components failed.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F40CAN data loss.Défaut

Description

Fault: CAN data loss.

Cause

CAN communication data loss between parallel inverters.

Correction recommandée

1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F41Host data loss.Défaut

Description

Fault: Host data loss.

Cause

Host data loss in parallel communication.

Correction recommandée

1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F42Synchronization data loss.Défaut

Description

Fault: Synchronization data loss.

Cause

Synchronization data loss in parallel communication.

Correction recommandée

1. Check if communication cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 44

F43Current feedback into the inverter is detected.Défaut

Description

Fault: Current feedback into the inverter is detected.

Cause

Reverse current feedback detected at the inverter.

Correction recommandée

1. Restart the inverter. 2. Check if L/N cables are not connected reversely in all inverters. 3. For parallel system in single phase, make sure the sharing cables are connected in all inverters. For supporting three-phase system, make sure the sharing cables are connected in the inverters in the same phase, and disconnected in the inverters in different phases. 4. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 45

F44The firmware version of each inverter is not the same.Défaut

Description

Fault: The firmware version of each inverter is not the same.

Cause

Firmware versions on parallel inverters do not match.

Correction recommandée

1. Update all inverter firmware to the same version. 2. Check the version of each inverter via LCD setting and make sure the CPU versions are same. if not, please contact your installer to provide the firmware to update. 3. After updating, if the problem still remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 45

F45The output current of each inverter is different.Défaut

Description

Fault: The output current of each inverter is different.

Cause

Output current imbalance between parallel inverters.

Correction recommandée

1. Check if sharing cables are connected well and restart the inverter. 2. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 45

F46AC output mode setting is different.Défaut

Description

Fault: AC output mode setting is different.

Cause

AC output mode setting (LCD program 28) does not match across parallel units.

Correction recommandée

1. Switch off the inverter and check LCD setting program 28. 2. For parallel system in single phase, make sure no 3P1, 3P2 or 3P3 is set on program 28. For supporting three-phase system, make sure no 'PAL' is set on program 28. 3. if the problem remains, please contact your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 45

F47Generator current sensor failed.Défaut

Description

Fault: Generator current sensor failed.

Cause

Generator current sensor failure.

Correction recommandée

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 45

W01Fan is locked.Avertissement

Description

Warning: Fan is locked. Beep three times every second.

Cause

Fan wiring not connected well or fan failure.

Correction recommandée

Check if the Fans wiring connected well. Replace the fan.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W02Overload.Avertissement

Description

Warning: Overload. Beep twice every second.

Cause

Connected load exceeds the inverter capacity.

Correction recommandée

Reduce the loads.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W03Low battery.Avertissement

Description

Warning: Low battery. Beep once every second.

Cause

Battery voltage is too low.

Correction recommandée

The battery voltage is too low, it should be charging.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W04Grid anomaly.Avertissement

Description

Warning: Grid anomaly. Grid icon blinking.

Cause

Grid input is over voltage or over frequency.

Correction recommandée

Check whether the input is overvoltage or overfrequency.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W05Three-phase input missing phase.Avertissement

Description

Warning: Three-phase input missing phase. Fault LED flashing.

Cause

Three-phase mains input is not normal (missing phase).

Correction recommandée

Check whether the three-phase mains input is normal.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W06The three-phase parallel is abnormal.Avertissement

Description

Warning: The three-phase parallel is abnormal. Fault LED flashing.

Cause

Three-phase parallel communication is abnormal.

Correction recommandée

Verify that the three-phase communication is normal.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W07Generator anomaly.Avertissement

Description

Warning: Generator anomaly. Generator icon blinking.

Cause

Generator input is over voltage or over frequency.

Correction recommandée

Check whether the input is overvoltage or overfrequency.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W08Three-phase parallel generator input phase deficiency.Avertissement

Description

Warning: Three-phase parallel generator input phase deficiency. Fault LED flashing.

Cause

Three-phase mains input is not normal (missing phase) on generator input.

Correction recommandée

Check whether the three-phase mains input is normal.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W50BMS firmware version is not matched.Avertissement

Description

Warning: BMS firmware version is not matched.

Cause

BMS firmware version mismatch.

Correction recommandée

Upgrade the firmware of BMS.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W51BMS doesn't allow inverter to charge battery.Avertissement

Description

Warning: BMS doesn't allow inverter to charge battery. Inverter will stop charging battery automatically.

Cause

BMS has prohibited charging the battery.

Correction recommandée

Inverter will stop charging battery automatically.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W52BMS doesn't allow inverter to discharge battery.Avertissement

Description

Warning: BMS doesn't allow inverter to discharge battery. Inverter will stop discharging battery automatically.

Cause

BMS has prohibited discharging the battery.

Correction recommandée

Inverter will stop discharging battery automatically.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W53BMS require inverter to charge battery.Avertissement

Description

Warning: BMS require inverter to charge battery. Inverter will charge battery automatically.

Cause

BMS is requesting the inverter to charge the battery.

Correction recommandée

Inverter will charge battery automatically.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W54-W65BMS detect something wrongs happened.Avertissement

Description

Warning: BMS detect something wrongs happened (range covers BMS internal alarm codes 54 through 65).

Cause

BMS has detected an internal fault or abnormal condition.

Correction recommandée

If the code is keeping for long time, please contact with your installer.

Source:IVEM8K-12K-II_compressed.pdf · page 42

W80The BMS communication is abnormal.Avertissement

Description

Warning: The BMS communication is abnormal. Beep once every second.

Cause

BMS communication cable is not properly connected or communication failure.

Correction recommandée

Check whether the BMS communication cable is connected.

Source:IVEM8K-12K-II_compressed.pdf · page 42

Codes courants sur cet appareil

F01

Bus voltage is too high.

F02

Bus voltage is too low.

F04

Inverter soft start fail.

F07

Output voltage is too low.

F11

Battery voltage is too high.

F15

PV power is abnormal.

F17

Fan is locked.

F19

Over temperature happen at Convert L circuit.

F21

The inner temperature over.

F22

DCDC current sensor failed.

F23

No.2 DCDC current sensor failed.

F24

Inverter current sensor failed.

Compilé à partir des manuels utilisateur officiels FelicityESS. Consultez toujours le manuel de votre appareil et un technicien qualifié avant toute réparation.