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DURACELL:
POWER CENTER
7 Troubleshootin g
7.1 Troubleshooting List: all models
Alarm
Title
Code
Over temperature
121
protection
Grid config
125
parameter
error
126
SW code 126
127
Firmware error
128
SW code 128
129
SW code 129
130
Offline
141
Grid over voltage
10 min value
142
grid over
voltage
143
Grid under voltage
Grid over
144
frequency
Grid under
145
frequency
Rapid grid
146
frequency change
rate
Power grid
147
outage
Grid
148
disconnection
149
Island detected
301 thru
HWcode
308
301 thru 308
Models: D350-Ml / D700-M2 / D1500-M4
Installation Manual
Suggestion
•
Check the ventilation and ambient temperature at the microinverter. Correct as required .
•
Check if the grid configuration parameter is correct and upgrade again .
•
If the alarm occurs accidentally and the microinverter can still worknormally, no special
treatment is required.
•
Check if the firmware is correct and upgrade again .
•
Check the communication status between the DTU and the monitoring system or between
the DTU and the microinverter.
•
If the alarm occurs accidentally and the microinverter can still worknormally, no special
treatment is required.
•
Ensure that the microinverter works normally .
•
Check the communication status between the DTU and the monitoring system or between
the DTU and the microinverter. Correct as required.
•
Self-clearing when grid returns to normal range .
•
If the alarm occurs frequently, check whether the grid voltage is within the acceptable range .
If not, contact the local power operator or change the grid overvoltage protection limit via
the Power Center monitoring system with the consent of the local power operator.
•
Self-clearing when grid returns to normal range .
•
If the alarm occurs frequently, check whether the grid voltage is within the acceptable range .
If not, contact the local power operator or change the grid over voltage protection limit via
the Power Center monitoring system with the consent of the local power operator.
•
Please check whether there is a power grid outage .
•
Please check whether the AC switch or AC wiring is normal.
•
Self clearing when grid returns to normal range .
•
If the alarms occur frequently on all the microinverters in your station,contact the local
power operator to check whether there is a grid island.
•
If the alarm occurs accidentally and the microinverter can still work normally, no special
treatment is required.
•
If the alarm occurs frequently and cannot be recovered, contact your dealer or Power
Center technical support.
13
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