Error
Description
Suggestion
Error 200
AFCI Fault
1. After shutdown,check the panel
terminal.
2. Restart inverter.
3. Contact Growatt.
Error 201
Residual I High
1. Restart inverter.
2. Contact Growatt.
Error 202
PV Voltage High
1. Immediately disconnect the DC switch
and check the voltage.
2. Contact Growatt.
Error 203
PV Isolation Low
1. After shutdown, check if the panel
shell is reliably grounded.
2. Contact Growatt.
Error 204
PV Reversed
1. After shutdown, check PV input
terminals.
2. Contact Growatt.
Error 300
AC V Outrange
1. Check grid voltage.
2. Contact Growatt.
Error 301
AC terminals reversed
1. Check AC terminals.
2. Contact Growatt.
Error 302
No AC Connection
1. After shutdown,check AC wiring.
2. Contact Growatt.
Error 303
NE abnormal
1. After shutdown,ensure that the
ground wire is reliably connected.
2. Contact Growatt.
Error 304
AC F Outrange
1. Check the frequency is in the range of
specification or not.
2. Contact Growatt.
Error 400
DCI bias abnormal
1. Restart inverter.
2. Contact Growatt.
Error 401
DC Voltage High Fault
1. Restart inverter.
2. Contact Growatt.
Error 402
Output DC current too
high
1. Restart inverter.
2. Contact Growatt.
Error 403
Output current unbalance 1. Restart inverter.
2. Contact Growatt.
Error 404
Bus sample fault
1. Restart inverter.
2. Contact Growatt.
Error 405
Relay fault
1. Restart inverter.
2. Contact Growatt.
Error 406
Init model fault
1. Restart inverter.
2. Contact Growatt.
Error 407
AutoTest failure
1. Restart inverter.
2. Contact Growatt.
Error
Description
Suggestion
Error 408
NTC Temperature too high
1. Restart inverter.
2. Contact Growatt.
Error 409
Bus voltage abnormal 1. Restart inverter.
2. Contact Growatt.
Error 411
Communication fault
1. Restart inverter.
2. Contact Growatt.
Error 412
Temperature sensor
abnormal
1. Restart inverter.
2. Contact Growatt.
Error 413
IGBT drive fault
1. Restart inverter.
2. Contact Growatt.
Error 414
EEPROM fault
1. Check if shinemaster is abnormal.
2. Contact Growatt.
Error 415
Internal power test fail
1. Restart inverter.
2. Contact Growatt.
Error 416
Over current protected
1. Restart inverter.
2. Contact Growatt.
Error 417
System protocol abnormal 1. Restart inverter.
2. Contact Growatt.
Error 418
firmware version
abnormal
1. Restart inverter.
2. Contact Growatt.
Error 420
GFCI Module damage
1. Restart inverter.
2. Contact Growatt.
Error 421
CPLD abnormal
1. Restart inverter.
2. Contact Growatt.
Error 422
Sampling is inconsistent
1. Restart inverter.
2. Contact Growatt.
Error 425
AFCI self-test fault
1. Restart inverter.
2. Contact Growatt.
Error 426
PV current abnormal
1. Restart inverter.
2. Contact Growatt.
Error 427
AC current abnormal
1. Restart inverter.
2. Contact Growatt.
Error 428
Boost Short Out
1. Contact Growatt.
Error 429
Bus voltage softstart fail
1. Restart inverter.
2. Contact Growatt.
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