Growatt MID TL3-XH Series - Page 49

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Error code
Description
Troubleshooting
Error 308
Communication
fault;pairing time
too long
1.Re-pair the device.
2.If the error message persists, please contact
Growatt support.
Error 309
ROCOF Fault
1.Check grid frequency and restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 310
NE Fault
1.Check whether the N line at the inverter side with
PV negative grounding is short circuited to the
ground wire, and whether the output side is isolated
with a transformer.
2.If error message still exisits,contact Manufacturer
Error 311
Backflow fault
1.After shutdown, check the connection of the CT or
the meter.
2.If the error message persists, please contact
Growatt support.
Error 400
DCI bias abnormal
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 401
Output voltage DC
component
overhigh
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 402
Output current DC
component
overhigh
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 403
Output current
unbalanced
1.After shutdown, check if the output current is
unbalanced.
2.If the error message still exists, contact
manufacturer.
Error 404
Bus sample fault
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 405
Relay fault
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 406
Initialization mode
abnormal
1.Reset the mode.
2.If the error message persists, please contact
Growatt support.
Error 407
Auto-test failure
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 408
NTC over-
temperature
1.After shutdown, check the temperature. If it is
within the permissible range, restart the inverter.
2.If the error message still exists, contact the
manufacturer.
Error 409
Bus voltage
abnormal
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error code
Description
Troubleshooting
Error 410
Communication
board and control
panel sampling
battery voltage is
inconsistent
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 411
Internal
communication
failure
1.After shutdown, check the wiring of the
communication board
2. If the error message still exists, contact
manufacturer
Error 412
Temperature sensor
connection is
abnormal
1.After shutdown, check if the temperature sampling
module is properly connected.
2.If the error message still exists, contact
manufacturer
Error 413
IGBT drive fault
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 414
EEPROM fault
1.Restart the inverter
2.If the error message persists, please contact
Growatt support.
Error 415
Internal power test
failed (PV power
low)
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 416
Over current
protected by
software
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 417
System
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
version and
hardware version
mismatch
1.Check the firmware version.
2.If the error message persists, please contact
Growatt support.
Error 420
GFCI Module
damaged
1.After shutdown,check the leakage current module.
2.If the error message still exists, contact
manufacturer.
Error 421
CPLD is abnormal
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 422
AC Volt/GFCI/ISO
sampling
inconsistent
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.