Goodwe HT Series User Manual

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User Manual V1.1-2022-07-20 09 Maintenance
9.4 Troubleshooting
Perform troubleshooting according to the following methods. Contact the after-sales service if
these methods do not work.
Collect the information below before contacting the after-sales service, so tha the problems can
be solved quickly.
1. Inverter information like serial number, software version, installation date, fault time, fault
frequency, etc.
2. Installation environment, including weather conditions, whether the PV modules are
sheltered or shadowed, etc. It is recommended to provide some photos and videos to assist
in analyzing the problem.
3. Utility grid situation.
Ground I Failure
No. Fault Cause Solutions
1
SPI Comm
Fail
1. The chip is not
powered on.
2. The chip
program version
is wrong.
Disconnect the AC output switch and DC input
switch, then connect them 5 minutes later.
Contact the dealer or the after-sales service if the
problem persists.
2 EEPROM Fail
The internal
memory Flash is
abnormal.
3 Fac Fail
Utility grid
exception. The
actual grid
frequency change
rate does not meet
the requirement
of the local grid
standard.
1. If the problem occurs occasionally, the
utility grid may be abnormal temporarily.
The inverter will recover automatically after
detecting that the utility grid is normal.
2. If the problem occurs frequently, check
whether the grid frequency is within the
permissible range.
• Contact the local power company if the grid
frequency exceeds the permissible range.
• Contact the dealer or the after-sales
service if the grid frequency is within the
permissible range.
4 DC-SPD
The inverter is
struck by lightning.
1. Improve the lightning protection facilities
around the inverter.
2. Disconnect the AC output switch and DC input
switch, then connect them 5 minutes later.
Contact the dealer or the after-sales service if
the problem persists.
5
Night DCSPS
Fault
1. Temporary
abnormality
is caused by
environmental
factors.
2. Internal
components of
the inverter are
damaged.
Disconnect the AC output switch and DC input
switch, then connect them 5 minutes later.
Contact the dealer or the after-sales service if the
problem persists.

Goodwe HT Series Specifications

General

Brand	Goodwe
Model	HT Series
Category	Inverter
Language	English