10
Warning/Alarm
Alarm
Code
PV
indicator
Grid
indicator
Comm�
indicator
Warning
indicator
Normal status
Startup phase
Communication active
PV normal
Grid over voltage
A0
Grid under voltage
A1
No grid
A2
Grid over frequency
A3
Grid under frequency
A4
Grid unbalanced
A6
PV over voltage
B0
PV under voltage
B4
Weak irradiance
B5
PV strings abnormal
B3
Inverter overtemperature
C5
Internal fan abnormal
C8
Insulation resistance
abnormal
B1
Leakage current abnormal
B2
PV polarity reversed
B7
Control power abnormal
C0
DC bias current abnormal
C2
Inverter relay abnormal
C3
Leakage current HCT abnormal
C6
System fault
C7
DC link voltage unbalance
C9
DC link over voltage
CA
Internal communication fault
CB
Software version
incompatibility
CC
EEPROM fault
CD
Sampling inconsistency
CE
Inverter circuit abnormal
CF
Boost circuit abnormal
CG
Legend:
LED ON
LED OFF
LED Blink
keep original status
Summary of Contents for 17SHT
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