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Alpha ESS Co., Ltd.
Page 59 of 69
Your Smart Energy
Eps capacitance de-
crease
If the warning occurs occasionally, please restart the system.
If
the warning still occurs after restart, please contact Al-
phaESS after-sales team.
Fault
Leakage current ab-
normal
1.If this warning occurs occasionally, it may be caused by the
occasional exception of the external line. When the exception
disappears, the system will return to normal. No action is re-
quired.
2. If this warning occurs continuously, please contact Al-
phaESS after-sales team.
Control power low
1. If this warning occurs occasionally, the inverter will resume
work automatically. No action is required
2. If this warning occurs continuously, please contact Al-
phaESS after-sales team.
Output DC over cur-
rent
1. If the warning occurs occasionally
,
it is a short-time fault of
the grid. The inverter will resume work after the grid is nor-
mal. No action is required.
2. If this warning occurs continuously, please contact Al-
phaESS after-sales team.
Inverter relay abnor-
mal
1. If the warning occurs occasionally, it is a short-time fault of
the grid. The inverter will resume work after the grid is nor-
mal. No action is required
2. If this warning occurs continuously, please contact Al-
phaESS after-sales team.
Leakage current HCT
abnormal
1.If this warning occurs occasionally, it may be caused by the
occasional exception of the external line. When the exception
disappears, the system will return to normal. No action is re-
quired.
2. If this warning occurs frequently or cannot be cleared for a
long time, please use a multimeter to measure the resistance
between the Grid port, L, N and the ground. If the resistance
are less than 100 K
ῼ, please check whether cables are dam-
aged, connected, or flooded.
Bus over voltage
1. If this warning occurs occasionally, please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
Internal communica-
tion error
Please contact AlphaESS after-sales team.
EEPROM error
Please contact AlphaESS after-sales team.
Consistent warning
1. If the warning occurs occasionally, please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
Inverter abnormal
1. If this warning occurs occasionally, please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
long time, please contact AlphaESS after-sales team.
Boost abnormal
1. If this warning occurs occasionally, please restart the in-
verter.
2. If this warning occurs frequently or cannot be cleared for a
