Growatt 7000MTL-S - Resolving Errors (E)

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2.Check if inverter ground properly.
3.Check if the DC breaker gets wet.
4.If the error message is displayed
despite the above checking passed,
contact Growatt.
Output High DCI
Output current DC
offset too high
1.Restart inverter.
2.If error message still exists, contact
Growatt.
Residual I High
Leakage current
too high
1.Restart inverter.
2.If error message still exists, contact
Growatt.
PV Voltage High
The DC input
voltage is
exceeding the
maximum tolerable
value.
Disconnect the DC switch immediately.
Warning 100
Fan fault
1.Restart inverter.
2.If error message still exists, contact
Growatt.
Auto Test Failed
Auto test didn’t
passed.
Contact power company，By they
decide whether to manually cancel.
Note:If the suggestions do not work, please connect to the Growatt.
10.2 Errors(E)
Errors(E) codes identify a possible equipment failure, fault or incorrect inverter
setting or configuration. Any and all attempts to correct or clear a fault must be
performed by qualified personnel. Typically, the (E) code can be cleared once the
cause or fault is removed. Some of the (E) codes, Error as indicated in the table below,
may indicate a fatal error and require you to contact the supplier or the Growatt to
replace a new one.
Error code
Description
Suggestion
Error: 101
Communication
fault Slave
processor can’t
receive data from
Master processor.
1.Restart inverter
2.If error message still exists, contact
Growatt.
Error: 102
Consistent fault.
Data received by
Master and Slave
processor are
different. The
1.Restart inverter.
2.If error message appears frequently or
error message still exists after
replacement, check utility grid.i f you
require help, contact Growatt.