Delta M100A 283

DC current over range Restart inverter by DC switches
DC Current High
(F60,F61,F70,F71)
The external communication
connection is disconnected
1. Check the connection between external
unit and COMM
2. Contact customer service for
technical support
Ext COMM. Fault
(F74)
Table 6-2C: Fault Codes (inverter fault) & Messages
Message Description Action
Table 6-3A: Warning Codes (Field warning) & Messages
Message Description Action
1. Polarity of DC connectors is
incorrect
2. String current monitoring function
is fail
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)
String Current
Low
(W23)
Disconnection in DC connectors
1. Check String Connector and Fuse
2. Contact customer service for
technical support
Table 6-4A: Warning Codes (inverter warning) & Messages
Message Description Action
Fan Fail
(W11)
1. One or more fans are locked
2. One or more fans are defective
3. One or more fans are
disconnected
DC SPD Fault
AC SPD Fault
(W17) (W18)
1. One or more SPD are defective
2. One or more SPD are
disconnected
1. Replace the defective SPD
2. Check the connections of SPDs
External Fan Fail -
1. Remove the object that stuck in the fan(s)
2. Check the connections of all fans
3. Replace the defective fan(s)
Internal Fan Fail - Contact customer
service for technical support
6.4 Warning Codes (Inverter Warning)
Boost Circuit
Fault (W30)
The boost circuit defective
Contact customer service for
technical support
76
Error Message and Trouble Shooting