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Installation guide / User manual
AX Plus 5-15kW 3ph Hybrid Inverter
9.2 Troubleshooting and Routine Maintenance
Troubleshooting
a. Please check the fault message on the System Control Panel or the fault code
on the inverter information panel. If a message is displayed, record it before
doing anything further.
b. Attempt the solution indicated in table above.
c. If your inverter information panel is not displaying a fault light, check the
following to make sure that the current state of the installation allows for
proper operation of the unit:
(1) Is the inverter located in a clean, dry, adequately ventilated place?
(2) Have the DC input breakers opened?
(3) Are the cables adequately sized?
(4) Are the input and output connections and wiring in good condition?
(5) Are the configurations settings correct for your particular installation?
(6) Are the display panel and the communications cable properly connected
and undamaged?
Contact Customer Service for further assistance. Please be prepared to describe
details of your system installation and provide the model and serial number of
the unit.
Maintenance checking list
During the process of using the inverter, the responsible person shall examine and
maintain the machine regularly. The required actions are as follows.
• Check that if the cooling fins at the rear of the inverters are collecting dust/
dirt, and the machine should be cleaned when necessary. This work should be
conducted periodically.
• Check that if the indicators of the inverter are in normal state, check if the display
of the inverter is normal. These checks should be performed at least every 12
months.
• Check if the input and output wires are damaged or aged. This check should be
performed at least every 12 months.
• Get the inverter panels cleaned and their security checked at least every 6
months.
NOTE:
Only qualified individuals may perform the following works.
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