TCL TAC-07CHSA/XA71 Service Manual page 34

11.2 Sensor failure (E1, E2).
11.3 Indoor fan does not operate at all (E6).
Check:
Motor bearing inserted
state
Fan(Blower) fixed state
Fan(Blower) contact
state
Air Conditioner Service Manual
Connector contact check
OK
Sensor resistance check
OK
Main PCB check and
replace
Connector contact
check
Motor-related parts
check
Motor detail check
Operation mode check
PCB ass'y check
Replace motor or
PCB ass'y
No
Connect again
No
Replace the sensor
Check:
Motor output connector
Motor capacitor
Check:
Motor driving circuit
Relay output
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