Haier MRVII-S AU48NFIERA User Manual

45
12. Troubleshooting
[01~05] Temperature senor failure
If sensor terminal is xed well
Reconnect
Replace sensor
If sensor resistor
/characteristic is proper
Check if PCB is faulty, if
yes, replace it
[6] Incorrect dip switch setting for model selection on outdoor PCB Check
Check if the outdoor
dip switch is
consistent with the
wiring diagram
Reset the dip switch
Yes
Yes
Yes
Replace the PCB
[7] Current sensor failure
Check if the CT current
transducer plug well
Reconnect
Replace
the current
transducer
Replace PCB
No
No
No
No
No
Yes

Haier MRVII-S AU48NFIERA Specifications

General

Brand	Haier
Model	MRVII-S AU48NFIERA
Category	Air Conditioner
Language	English