Fault

07

Battery voltage too high.

6 Devices that report this code

What does the 07 error code mean?

07 on a Felicity unit indicates: Battery voltage too high.. It is a fault-severity event that can appear on 6 different devices in the Felicity catalog. The same code may have slightly different recommended fixes depending on the device — the per-device sections below show the exact wording from each device's official manual.

This is a fault-severity code

Fault codes stop normal operation but the unit may attempt to recover. Common causes are out-of-range conditions (voltage, current, temperature) that require checking inputs and outputs before restart.

What triggers this code

07 is triggered when the unit's protection or monitoring logic detects the specific condition described above. The exact trigger depends on the device — see the per-device sections for the official manual entry for each.

07Battery voltage too high.Fault
Description

Battery voltage is too high.

Recommended fix

Internal components failed. Restart the unit, if the error persists, contact the repair center.

Source:ICM.pdf · page 13ICM.pdf · page 13
07High BMS Temperature.Warning
Description

BMS internal temperature has exceeded safe operating limit.

Cause

BMS overheating due to high ambient temperature, poor ventilation, or high current operation.

Recommended fix

Stop charging and discharging, wait for the temperature to drop.

Source:LUX-X-96050HG01-Lithium-Battery-User-Guide.pdf · page 21
07High BMS Temperature.Warning
Description

BMS temperature is too high.

Recommended fix

Stop charging and discharging, wait for the temperature to drop.

Source:LUX-Y-48100HG01-Lithium-Battery-User-Guide.pdf · page 20
07High BMS Temperature.Fault
Description

High BMS Temperature.

Source:LUX-Y-48100HG01MN User manual 358-S010025-03 0325(V2.0).pdf · page 27
07Battery temperature is too high.Critical
Description

Detected battery temperature exceeds the safe charging range.

Cause

Battery ambient temperature is too high, or remote temperature sensor (RTS) is faulty, disconnected, or reporting incorrect values.

Recommended fix

1. Check your remote temperature sensor and your battery ambient temperature. 2. if the problem remains, please contact your installer.

Source:felicitysolar SCCM-III MPPT Solar Charge Controller User Guide.pdf · page 18
07Battery voltage is too high.Fault
Description

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

Recommended fix

Check if spec and quantity of batteries are meet requirements.

Source:T-REX-3_3.6_4_4.6_5_6KLP1G01-hybrid-inverter-user-guide-English.pdf · page 37T-REX-3_3.6_4_4.6_5_6KLP1G01-hybrid-inverter-user-guide-English.pdf · page 37

Frequently asked about 07

What is the 07 error on Felicity?
07 on a Felicity unit means: Battery voltage too high.. It can appear on 6 different devices in the Felicity catalog. The cause and recommended fix are listed for each device on this page.
Can I clear the 07 code myself?
It depends on the severity. Warning-level codes can usually be cleared by following the recommended fix. Fault and critical codes often require checking the source condition first; if the code returns immediately after restart, escalate to authorized service.
Is the 07 fix the same on every device?
The cause is consistent — it's the same protection logic. The exact fix wording can differ per device because each official manual addresses model-specific context (input ranges, parallel-config notes, firmware revisions). Use the per-device section that matches your unit.
Where does this information come from?
Every entry is sourced directly from the official Felicity user manual for the affected device. The "Source" line at the bottom of each device's section shows the manual filename and page number.

Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.