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water leakage
drain hose is blocked or broken replace the drain hose
wrap and tight it again
adjust the location of fan
abnormal things in indoor unit
remove it
compresoor shakes overly
pipes in outdoor unit collides set the pipes apart
adjust the washer and tight the bolt
metal plates collides
tighten the connecting bolt
indoor fan collides with other parts
outdoor fan collides with case
adjust the fan location
abnormal sound inside compressor
replace compressor
abnormal electromagnetic sound in
short circuit inside electromagnetic valve;repalace it
4-way valve in HEAT mode
stick shake-reduction plaster between the metal plates
CAUTION:
1,When repairing,before the voltage between module PN is measured below 50V,do not touch any terminal
to avoid electrical shock
2,When replacing power module and rectifier,make sure to spread the indicating paste evenly
abnormal shake
or sound
-30-
connector of refrigerant pipe isn't wrapped well