What it means
ARM software fault - phase B output overcurrent
Cause: Phase B output overcurrent.
How to fix it
- Reset to restart.
- Manual intervention required if fault cannot be rectified.
Source: fls-es232lc-g-2-fls-es232lc-s-user-guide-en.pdf
Felicity ESS error PCS-ARM-03
ARM software fault - phase B output overcurrent
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 PCS-ARM-03 mean on a Felicity ESS?
PCS-ARM-03 means: ARM software fault - phase B output overcurrent. Phase B output overcurrent.
Is error PCS-ARM-03 a fault or a warning?
PCS-ARM-03 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error PCS-ARM-03?
Reset to restart. Manual intervention required if fault cannot be rectified.
Related error codes
Other codes on the FLS-ES232LC-S
PCS-ARM-03 is in the "Fault" class on the FLS-ES232LC-S: 65 of the 140 codes documented for it.
- 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.