Growatt MID TL3-XH Series - 13.3 System error

Warning
message
Description
Troubleshooting
Warning 604
Off-grid output
overcurrent
1.Check whether the load exceeds the inverter
specification.
2.Restart the inverter. If the error message
persists, please contact Growatt support.
Warning 605
The off-grid Bus
voltage is too low
1.Check whether the load exceeds the inverter
specification.
2.Restart the inverter. If the error message
persists, please contact Growatt support.
Warning 606
The off-grid output is
overloaded
1.Check whether the load exceeds the inverter
specification.
2.Restart the inverter. If the error message
persists, please contact Growatt support.
Warning 607
Abnormal
communication with
the backup box
1.After shutdown, check the communication
wiring of the backup box.
2.If the error message persists, please contact
Growatt support.
Warning 608
Backup box abnormal
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Warning 609
Balanced circuit
overload
1.Reduce unbalanced loads.
2.If the error message persists, please contact
Growatt support.
Warning 700
Fan of the backup box
is faulty
1.After shutdown, check the wiring of the fan.
2.If the error message persists, please contact
Growatt support.
Warning 701
Generator failed to
start
1.After shutdown, check the generator and the
cable connection.
2.If the error message persists, please contact
Growatt support.
13.3 System error
Error code
Description
Troubleshooting
Error 200
DC Arc Fault
1.After shutdown, check the panel wiring.
2.Restart the inverter.
3.If the error message persists, please contact
Growatt support.
Error 201
Leakage current is
too high
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 202
The DC input
voltage is exceeds
the upper threshold
1.Immediately disconnect the DC switch and check
the voltage.
2.If the fault code still exists after the normal voltage
is restored, contact Growatt support.
Error 203
PV insulation
resistance low
1.After shutdown, check whether the panel frame is
reliably grounded.
2.If the error message persists, please contact
Growatt support.
Error 204
PV terminals
reversed
1.After shutdown, check the connection of the PV
terminals.
2.Restart the inverter.
3.If the error message persists, please contact
Growatt support.
Error 300
AC V Outrange
1.Check the grid voltage.
2.If the error message persists when the grid voltage
is within the permissible range, please contact
Growatt support.
Error 301
AC terminals
reversed
1.Check the connection of the AC terminals.
2.If the error message persists, please contact
Growatt support.
Error 302
No AC Connection
1.After shutdown, check the AC wiring.
2.If the error message persists, please contact
Growatt support.
Error 303
NE abnormal
1.Check if the PE cable is securely connected.
2.If the error message persists, please contact
Growatt support.
Error 304
AC F Outrange
1.Restart the inverter.
2.If the error message persists, please contact
Growatt support.
Error 305
Over Load Fault
1.Check whether the output load is out of range; If
so, please reduce the load.
2.If the error message persists, please contact
Growatt support.
Error 306
CT LN Reversed
1.After shutdown, check the connection of the CT.
2.If the error message persists, please contact
Growatt support.
Error 307
CT COM fault
1.Check the connection of the communication cable.
2.If the error message persists, please contact
Growatt support.
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