Haier HWE06XCN [19/25] Abnormity diagnose

7 . Abnormity Diagnose

1.Sensor Diagnose:

2 seconds after the sensors open circuit or short circuit , the unit will turn off automatically and the LED wil

show E0 until the sensors resume .

Firstly check whethe r Terminal CN on

the indoor mainbo ard contact well or

not?

Pull the sensor out of the mainboard

1) Measure the value of resistance

betwe en its two jumper s

2) Measure the temperature at the

room

tempe rature sensing head.

Check the specificati ons of the senso r

to decide whether the sensor is

damaged or not?

Pull out the terminals on the indoor

mainboard and reinsert them.

Replace with new sensor.

The Indoor PCB is broken. Replace with new indoor PCB

YES

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