LG LGES-5048 User Manual page 32

Maintenance
Maintaining Item
System Clean
DC Switch
Electrical Connection
Sealing
THDi Test
• Wi-Fi module:
Replace or remove the Wi-Fi module using the Wi-Fi unlock tool
module remover, which is delivered in the package. Remove the
communication terminal next to the Wi-Fi module first. Place the
remover horizontally on the Wi-Fi module, then turn the remover to
90°to fasten it and the module together. Press the remover and pull
the module to remove it as the following figure shows.
Notice: If you need to repair or replace parts, contact the Technical
Support Service team
Maintaining Method
Check the heat sink, air intake, and air outlet
for foreign matter or dust.
Turn the DC switch on and off ten
consecutive times to make sure that it is
working properly.
Check whether the cables are securely
connected. Check whether the cables are
broken, or whether there is any exposed
copper core.
Check whether all the terminals and ports
are properly sealed. Reseal the cable hole if
it is not sealed or too big.
For Australia requirements, in the THDi test,
there should add Zref between inverter and
mains.
L:0.24 Ω + j0.15 Ω; N:0.16 Ω +j0.10 Ω
L:0.15 Ω + j0.15 Ω ; N:0.1 Ω + j0.1 Ω
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Maintaining Period
Once 6-12 months
Once a year
Once 6-12 months
Once a year
As needed
Unlock Tool
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2