Warning
1 Devices that report this codePCS-ARM-52
ARM software fault - abnormal busbar imbalance.
PCS-ARM-52ARM software fault - abnormal busbar imbalance.Warning— level 1
Cause
Bus imbalance detected.
Recommended fix
Reset to restart. 1) Fault elimination lasts about 1h after DC cut off. 2) if cannot be reset, contact manufacturer for voltage sampling and capacitor aging issues. 3) if reset works but repeatedly reports after startup, contact manufacturer.
Source:
FLS-ES232LC-S.pdfCompiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.