
Worldwide Energy and Manufacturing USA Co., Limited
31
Code Fault information
Solution
E038
Relay fault
If the fault always exists, please contact the local distributor.
E042
Leakage current
protection
Check the insulation resistance of PV system positive and
negative.
Check the environment and see if the environment is too
moist.
Check the grounding connection.
If they are all normal, please contact local distributor.
E043
PV1 over-current
Check the PV system. If the fault always exists, please contact the
local distributor.
E044
PV2 over-current
Check the PV system. If the fault always exists, please contact the
local distributor.
E046
Radiator
over-temperature
Check the radiator, and see if it is blocked
Check the environment temperature and see if the temperature
exceeds the normal range.
If they are all normal, please contact local distributor.
E047
Insulation fault
Check the insulation resistance of PV system. If the fault
always exists, please contact the local distributor.
Check the environment and see if the environment is too
moist.
Check the inner grounding and see if the connection is loose.
If they are all normal, please contact local distributor.
CAUTION:
If the inverter has any alarm information mentioned in Table6-1, please shut down the
inverter(refer to 5.2 Shutdown), 5 minutes later, restart the inverter (refer to5.1 Startup). If the
alarm status is not removed, please contact our local dealer or service centre. Before
contacting us, please prepare the following information.