Flow Charts - Haier AW07LC2VHA Technical Overview

Check the connector connection
Check the connector connection
Is it normal?
Thermistor resistance check
Is it normal?
Replace the indoor unit PCB
Thermistor resistance check method:
Remove the connector of the thermistor from the PCB and measure the resistance of the thermistor using an
ohmmeter. The relationship between normal temperature and resistance is shownin the indoor thermistor
chart located in the reference section.
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When the thermistor input is more than4.92V or less than 0.08V during compressor operation
Caution: Be sure to turn power off before connecting or disconnecting the connector, or parts
may sustain damage.
YES
YES

FLOW CHARTS

NO
Correct the connection
NO
Replace the thermistor
REFERENCES