Growatt WIT 50-100K-US - Page 75

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Growatt support.
Error 415
Auxiliary power supply
abnormal
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 416
DC/AC overcurrent
protection
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 417
Communication protocol
mismatch
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 418
DSP and COM firmware
version mismatch
1. Check the firmware version.
2. If the error message persists, please contact
Growatt support.
Error 419
DSP software and
hardware version
mismatch
1. Check the firmware version.
2. If the error message persists, please contact
Growatt support.
Error 421
CPLD abnormal
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 422
Redundancy sampling
inconsistent
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 423
PWM pass-through signal
failure
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 425
AFCI self-test failure
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 426
PV current sampling
abnormal
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 427
AC current sampling
abnormal
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 430
EPO fault
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 431
Monitoring chip BOOT
verification failed
1. Restart the inverter.
2. If the error message persists, please contact
Growatt support.
Error 500
BMS failed to
communicate with the
inverter
1. Check the connection of the RS485 cable
between the inverter and the battery.
2. Check if the battery is in the sleep mode.