Maintenance And Troubleshooting; Maintenance; Maintenance Details And Period - Soleil SRT 75K User Manual

5 Maintenance and Troubleshooting

5.1 Maintenance

If any maintenance service is needed, please contact the after-sale service center of Siel Company,
otherwise, Siel Company will not undertake the responsibility and guarantee for the loss caused by self-
operation.
For human safety, before check and maintenance, disconnect the external AC switch, and then switch
off the DC switches on the inverter. Wait for 30min, measure the inner DC bus voltage by multimeter
and ensure the voltage below 10V, and then the maintenance can be done.

5.1.1 Maintenance Details and Period

To ensure the inverter works in best condition, we suggest maintaining the inverter regularly.
Table5-1 Check list
Item
Cleanness
of system
Electric
connection
Wire Inlet
hole
Fan
IV438E REV.01 Issued: 2022/11/09
Check method
Check if there is dust or sundries on air outlet holes
or heat sink. Clean the air outlet holes and heat sink
if necessary.
Check if the wiring is loose or dropping.
Check if there is damage on the cables, especially
the surface touching with metal, if damaged, please
maintain it in time.
Check if the wire inlet holes are sealed up
completely, if not, seal them with fireproof mud.
Check if there is abnormal noise on fan when
running.
Check if the blade of fan has crack.
If necessary, replace the fan (refer to 5.1.2
User Manual Soleil SRT/SPX 75K-150K
Maintenance period
Every 6-months or one year (it
depends on the amount of dust
in the environment)
Every 6 months or one year
Every year
Every year (if the operating
environment with lots of sand
and wind, short
maintenance period)
Pag. 57 of 74 +FR
the