Troubleshooting 101
Replacing the inverter
If the inverter needs to be replaced, follow the decommissioning and installation
procedures. There is no need to transfer components from the old product to the new
one.
If the inverter is returned and replaced under warranty, there is no need to return the
fuses or surge protection cartridges.
Fault messages
Generic actions to perform if there is an active fault message
Try to reset the fault by using the ‘reset’ right softkey on the control unit or by
powering down and restarting the inverter.
See Isolating the inverter from external power sources on page 14.
To power down the inverter, turn the DC switch to ‘0’ and switch OFF the circuit
breaker on the AC side. Wait until the control unit switches off.
To restart the inverter, turn the DC switch to ‘1’ and switch ON the circuit breaker on
the AC side. Observe the inverter for a few minutes to see whether it returns to
normal operation.
• If the inverter appears to work normally, observe the inverter’s operation closely
for a few days.
• If a fault cannot be reset or recurs, contact your system’s supplier. Be ready to
state the inverter serial number as well as dates and times of fault events.
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