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Troubleshooting - Haier AV10IMWEWA Design, Installation & Maintenance Instruction

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19. Troubleshooting

Indoor failure diagnose
[08]indoor drainage system failure/float switch circuit on indoor PCB failure
[01/02/03/04] indoor sensor fai lure
if sensor terminal is fixed wel l
/characteristic is proper
if CN13 is fixed well
yes
if float switch works
yes
if water pump works
yes
check water pump
yes
if sensor resistor
yes
check if PCB is faulty ,
if yes, replace it
no
reconnect
no
if CN4 is
with AC220V
voltage
yes
no
no
if water
pump is electrified
yes
replace water pump
no
reconnect
no
replace sensor
258
no
modify the wiring
and the circuit
check indoor PCB and
replace it if necessary
modify the wiring
and the circuit

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