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Table 6-2C: Fault Codes (inverter fault) & Messages
Message
DC Current High
(F60,F61,F70,F71)
Ext COMM. Fault
(F74)
6.3 Warning Codes (Field Warning)
Table 6-3A: Warning Codes (Field warning) & Messages
Message
1. Over temperature
2. Power Limit function
3. Power vs. Frequency function
4. P(V) function
De-rating
(W07)
5. Grid Voltage low
6. Solar Voltage low
7. Solar Voltage High
8. Ramp up function
1. Polarity of DC connectors is
incorrect
String fault
2. String current monitoring function
(W08)
is fail
String Current
Low
Disconnection in DC connectors
(W23)
6.4 Warning Codes (Inverter Warning)
Table 6-4A: Warning Codes (inverter warning) & Messages
Message
1. One or more fans are locked
Fan Fail
2. One or more fans are defective
(W11)
3. One or more fans are
disconnected
DC SPD Fault
1. One or more SPD are defective
AC SPD Fault
2. One or more SPD are
(W17) (W18)
disconnected
Boost Circuit
The boost circuit defective
Fault (W30)
Description
DC current over range
The external communication
connection is disconnected
Description
Description
Error Message and Trouble Shooting
Restart inverter by DC switches
1. Check the connection between external
unit and COMM
2. Contact customer service for
technical support
1. Check the installation ambient and
environment
2. Check Grid Code & Grid setting
3. Check the utility frequency on the inverter
terminal
4. Check the utility voltage on the inverter
terminal
5-1. Check the utility voltage on the inverter
terminal
5-2. Check reactive power setting
6. Check the Solar voltage on the inverter
terminal
7. Check the Solar voltage on the inverter
terminal
8. Check Ramp up setting
1. Check the polarity of PV connection
2. Restart DC switch and AC breaker
3. Contact customer service for
technical support
1. Check String Connector and Fuse
2. Contact customer service for
technical support
Contact customer service for
technical support
1. Replace the defective SPD
2. Check the connections of SPDs
Contact customer service for
technical support
75
Action
Action
Action
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