What it means
Low insulation fault (level 2)
Cause: Insulation resistance ≤ 500 Ω/V.
How to fix it
- Send faults to EMS and limit power.
- Recovers when > 600 Ω/V.
Source: fls-es232lc-g-2-fls-es232lc-s-user-guide-en.pdf
Felicity ESS error 0x10C2
Low insulation fault (level 2)
Fault — the ESS unit enters fault protection and stops normal operation until the fault is cleared — how it is shown (LED pattern or display code) depends on the model.
Frequently asked questions
What does error 0x10C2 mean on a Felicity ESS?
0x10C2 means: Low insulation fault (level 2). Insulation resistance ≤ 500 Ω/V.
Is error 0x10C2 a fault or a warning?
0x10C2 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error 0x10C2?
Send faults to EMS and limit power. Recovers when > 600 Ω/V.
Related error codes
Other codes on the FLS-ES232LC-S
- 0x10A1WarningCell voltage accumulation overvoltage alarm in battery cluster (level 1).
- 0x10A2FaultCell voltage accumulation overvoltage alarm in battery cluster (level 2).
- 0x10A3CriticalCell voltage accumulation overvoltage alarm in battery cluster (level 3).
- 0x10B1WarningCell voltage accumulation undervoltage alarm in battery cluster (level 1).
- 0x10B2FaultCell voltage accumulation undervoltage alarm in battery cluster (level 2).
- 0x10B3CriticalCell voltage accumulation undervoltage alarm in battery cluster (level 3).
Prefer the full written guide? Read the complete Felicity inverter error-code guide
Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.