Haier ESA410K [19/24] Abnormity diagnose

Haier ESA412K [19/24] Abnormity diagnose
7. Abnormity Diagnose
ESA412K Abnormity Diagnose
Domestic Air Conditioner
18
NO
YES
YES
YES
NO
1. Sensor Diagnose:
2 seconds after the sensors open circuit or short circuit, the unit will turn off automatically and the LED will show
E0 until the sensors resume.
Firstly check whether Terminal CN2 on
the indoor mainboard contact well or
not?
Pull out the terminals on the indoor
mainboard and reinsert them.
Replace with new sensor.
Pull the sensor out of the mainboard
1) Measure the value of resistance
between its two jumpers
2) Measure the temperature at the
room temperature sensing head.
Check the specifications of the sensor
to deside whether the sensor is
damaged or not?
The Indoor PCB is broken.
Replace with new indoor PCB

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