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6. Maintenance & repair
6.1 Types of error
If any error occurs, it indicates such error and stops operation.
When abnormal, its contents are displayed on the window of the keypad.
Causes of faults and corrective actions
Fault
Code
Type
Indication
Causes of errors
Corrective actions
E001
Input
Over-current
PV Error
Over current from solar module
Check the solar module then operate the inverter.
If the problem isn’t solved, contact us.
E002
Input
Over-voltage
DC OV
Over voltage from solar module
Check the solar module then operate the inverter.
If the problem isn’t solved, contact us.
E004
Input
DC-LINK
Over-voltage
DC-Link OV
Over voltage from DC-LINK of
the inverter
Check the solar module then operate the inverter.
If the problem isn’t solved, contact us.
E005
Input
DC-LINK
Under-voltage
DC-Link UV
Under voltage from DC-LINK
of the inverter
Check the solar module then operate the inverter.
If the problem isn’t solved, contact us.
E006
Grid
Over-current
Over Current
Over current in grid output
Check grid status and contact your electricity authority.
Then if the problem isn’t solved, contact us
E007
Grid
Over-voltage
Over voltage
Abnormal grid voltage
Check grid status and contact your electricity authority.
Then if the problem isn’t solved, contact us
E008
Grid
Under-voltage
Under voltage
Abnormal grid voltage
Check grid status and contact your electricity authority.
Then if the problem isn’t solved, contact us
E010
Grid
Over-frequency
Over
frequency
Abnormal grid frequency
Check grid status and contact your electricity authority.
Then if the problem isn’t solved, contact us
E011
Grid
Under-frequency
Under
frequency
Abnormal grid frequency
Check grid status and contact your electricity authority.
Then if the problem isn’t solved, contact us
E019
PWM fault
(Input)
Over
Current 2
Inverter’s internal problem
Contact us immediately
E020
PWM fault
(Output)
Over
Current 2
Inverter’s internal problem
Contact us immediately
E022
Over heating
Over
heat
Inverter’s over heating
Pls. try to operate inverter and if the problem isn’t solved,
pls. contact us immediately
E023
Earth fault
(DC)
Earth fault
Leakage of current
(Short circuit status)
Check earth and insulation status then, if the problem isn’t
solved, contact us.
E030
Consecutive fault
Cont. fault
Same fault happens
consecutively
Pls. try to operate inverter and if the problem isn’t solved,
pls. contact us immediately
