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Super Match

start

check if the connector

between pressure

switch and PCB is

fixed badly or damaged

(CN20 on PCB)

check if the 2

straight lugs on

the pressure

switch work badly

if indoor fan motor

cannot startup normally

in heating mode(except

for defrost)

replace main

control board

and check again

yes

replace pressure switch

connector, shut off and

be electrified again,

re-check

replace pressure

switch connector, shut

off and be electrified

again, re-check

check if the

indoor motor has

power input

replace indoor

motor and check

again

Failure 11: Low pressure switch failure

Reason: 1. Too low system pressure causes that the unit stops and the compressor protection works, the failure can

be resumed.

2. Pressure switch wire is not fixed well or in open circuit.

134

Haier Super Match 3U24GS2ERA User Manual

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