Critical

F06

PV current sensor failed.

6 Devices that report this code

What does the F06 error code mean?

F06 on a Felicity unit indicates: PV current sensor failed.. It is a critical-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 critical-severity code

Critical codes trip the unit offline immediately. They typically indicate hardware failure (short-circuit, IGBT, BMS) or an unsafe operating condition. Do not bypass the fault — note the code and contact authorized service.

What triggers this code

F06 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.

F06PV current sensor failed.Critical
Description

PV current sensor failed.

Cause

PV current sensor failed.

Recommended fix

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

Source:Apollo-5KLP1G01-All-in-one-ESS-User-Guide.pdf · page 42
F06Over current or surge detected by hardware.Fault
Description

Fault: Over current or surge detected by hardware.

Cause

Hardware-detected overcurrent or surge condition.

Recommended fix

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

Source:felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36
F06Over current or surge detected by hardware.Fault
Description

Fault: Over current or surge detected by hardware.

Cause

Hardware-detected over current or surge condition.

Recommended fix

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.Fault
Description

Over current or surge detected by hardware.

Recommended fix

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

Source:FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37
F06PV current sensor failed.Fault
Description

PV current sensor failure.

Recommended fix

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

Source:T-REX-10KHP3G01-Inverter-User-Guide.pdf · page 28
F06PV2 overcurrent fault.Fault
Description

The current of the PV2 is too large, check the string current.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 45

Frequently asked about F06

What is the F06 error on Felicity?
F06 on a Felicity unit means: PV current sensor failed.. 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 F06 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 F06 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.