Troubleshooting 13
13.1 Error message
When a malfunction occurs, an error message will be displayed on the OLED screen.
Faults include system faults and inverter faults.
In some cases, you may be advised to contact Growatt, please provide the following
information.
Information aboutthe inverter: :
• Serial number
• Model
• Error message on OLED
• A short description of the problem
• Grid voltage
• DC input voltage
• Can you reproduce the failure? If so, how?
• Has this problem occurred in the past?
• What were the environmental conditions when the problem occurred?
Information about photovoltaic panels:
• PV panel manufacturer's name and model
• Panel output power
• Voc of the panel
• Vmp of the panel
• Imp of the group
• The numberofpanelsineachstring
• If you need to replace the device, please ship it to the original box.
13.2 System error
Warning Code
1.Check whether the panel is normal after shut-
ting down;
2 .If the fault message stil I exists, con tact the
manufacturer.
String/PID quick con-
nect terminal abnor-
mal
1 .Check the string terminal wiring af ter s hutdown;
2.If the fault message still exists, contact the
manufacturer.
DC lightning protec-
tion device alarm
1 .Check the DC lightning arrester after shutdown;
2 .If the fault message stil I exists, con tact the man-
ufacturer.
1.Check whether the first or second road panel
or circuit is short-circuited;
2.If the fault message still exists, contact the
manufacturer.
Abnormal function of
dry node
1 .Check the dry node wiring after shutdown;
2 .If the fault message stil I exists, con tact the
manufacturer.
1 .Restart the inverter;
2 .If the fault message stil I exists, con tact the
manufacturer.
AC lightning protec-
tion device alarm
1 .Check the DC lightning arrester after shutdown;
2.If the fault message still exists, contact the
manufacturer.
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