Routine Maintenance - Goodwe MS Series User Manual

09 Maintenance
Explanation of some faults:
Fault
Consistent Fail
DCI High
EEprom R/W Fail
SPI Fail
Ref 2.5v Fail
AC HCT fail
E:

9.5 Routine Maintenance

• Make sure that the inverter is powered off.
• Wear proper PPE before any operations.
Maintaining Item
System Clean
DC Switch
Electrical Connection
Sealing
Explanation
Check the heat sink, air intake, and air outlet for foreign matter or
dust.
Turn the DC switch on and off ten consecutive times to make sure that
it is working properly.
Check whether the cables are securely connected. Check whether the
cables are broken or whether there is any exposed copper core.
Check whether all the terminals and ports are properly sealed. Reseal
the cable hole if it is not sealed or too big.
The reference voltage limitation is exceeded, which leads to detection
deviation of voltage and current.
Error in AC current sensor.
Error message.
WARNING
Maintaining Method
Check the heat sink, air intake, and air
outlet for foreign matter or dust.
Turn the DC switch on and off ten
consecutive times to make sure that it is
working properly.
Check whether the cables are securely
connected. Check whether the cables are
broken or whether there is any exposed
copper core.
Check whether all the terminals and ports
are properly sealed. Reseal the cable hole
if it is not sealed or too big.
User Manual V1.1-2022-11-15
34
Maintaining Period
Once 6-12 months
Once a year
Once 6-12 months
Once a year