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10 EU Declaration of Conformity
With the scope of EU directives:
•2014/35/EU Low Voltage Directive (LVD)
•2014/30/EU Electromagnetic Compatibility Directive (EMC)
•2011/65/EU RoHS Directive and its amendment (EU)2015/863
Shenzhen Growatt New Energy Technology Co. Ltd confirms that the Growatt inverters
and accessories described in this document are in compliance with the above mentioned
EU directives. The entire EU Declaration of Conformity can be found
atwww.ginverter.com
11 Trouble shooting
Our quality control program assures that every inverter is manufactured to accurate
specifications and is thoroughly tested before leaving our factory. If you have difficulty in
the operation of your inverter, please read through the following information to correct
the problem.
11.1 Error Messages displayed on OLED
An error message will be displayed on the OLED screen when a fault occurs. The faults
consist of system fault and inverter fault.
You may be advised to contact Growatt in some situation, please provide the following
information.
Information concerning the inverter:
Serial number
Ÿ
Model number
Ÿ
Error message on OLED
Ÿ
Short description of the problem
Ÿ
Grid voltage
Ÿ
Can you reproduce the failure? If yes, how?
Ÿ
Has this problem occurred in the past?
Ÿ
What was the ambient condition when the problem occurred?
Ÿ
11.2 System fault
System fault (system faults are mainly caused by system instead of inverter, please check
the items as instructed below before replacing inverter).
Error message
Description
Residual I High
Leakage current too high
Error: 201
AC V Outrange
Utility grid voltage is out
Error: 300
of permissible range.
No AC connection
No AC connection
Error: 302
PE abnormal Error:
Voltage of Neutral and PE
303
above 30V.
AC F Outrange
Utility grid frequency out
Error: 304
of permissible range.
Auto Test Failed
Auto test didn't pass.
Error: 407
11.3 Inverter warning
Warning code
Meanings
Dryconnect function
Warning 204
abnormal
Warning 207
USB over-current
Suggestion
Restart the invert.
If error message still exists, contact
Growatt.
1.Please switch off DC switch.
2.Check AC wiring, especially neutral
and ground wire.
3.Check grid voltage is complied with
local grid standard. Restart inverter, if
problem still exist, 4.Contact Growatt.
Check AC wiring.
Check the status of AC breaker
Check the voltage of Neutral and PE.
Check AC wiring.
Restart inverter, if error message still
exisits,contact Manufacturer
1.Please switch off DC switch.
2.Check AC wiring, especially neutral
and ground wire.
3.Check grid frequency is complied
with local grid standard.
4.Restart inverter, if problem still exist,
Contact Growatt.
1.Restart inverter, repeat Auto Test, if
problem still exist, contact Growatt.
Suggestion
1.After shutdown,Check the dry
Dryconnect wiring.
2.If the error message still exists,
contact manufacturer.
1.Unplug the U disk or monitor.
2.Re-access U disk or monitor after
shutdown.
3.If the error message still exists,
contact manufacturer.
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