High/Low Pressure Sensor Failure; Outdoor Eeprom Failure - Haier AV08NMSETA Service Manual

[28, 29] High/low pressure sensor failure

If voltage between white terminal and black
terminal is 0.5V~3.5V when testing pressure

[33] Outdoor EEPROM failure

If sensor terminal is fixed well
Yes
If voltage between red terminal
and black terminal is 5V when
testing pressure sensor by
multimeter
Yes
sensor by multimeter
No
Replace connecting board
If the EEPROM is fixed well
Yes
Replace EEPROM
No
Reconnect
No
Replace PCB
Yes
Replace pressure sensor
No
Reconnect
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