Table 6-3A: Warning Codes (Field warning) & Messages
Message Description Action
1. DC Connectors polar is incorrect
2. String current monitoring function
is failure
1. Check the polarity of PV connection
2. Restart DC switch and AC breaker
3. Contact customer service for
technical support
De-rating
(W07)
String fault
(W08)
1. Over temperature
2. Power Limit function
3. Power vs. Frequency function
4. P(V) function
5. Grid Voltage low
6. Solar Voltage low
7. Solar Voltage High
8. Ramp up function
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
6.3 Warning Codes (Field Warning)
Table 6-4A: Warning Codes (inverter warning) & Messages
Message Description Action
Fan Fail
(W11)
One or more fans are
defective
One or more DC SPD are defective
AC SPD Fault
(W18)
1. Check the connections of the DC SPD
board
2. Replace the DC SPD board
One or more AC SPD are defective
1. Check the connections of the AC SPD
board
2. Replace the AC SPD board
Contact customer service for
technical support
6.4 Warning Codes (Inverter Warning)
DC SPD Fault
(W17)
61
Error Message and Trouble Shooting
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