Fisher FSAI-SU-90AE2 Service Manual page 44

Room air conditioner split wall-mounted type
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8.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution
(E4/E5/F1/F2/F3)
Check the connection
between temperature
No
Correct the connection
sensor and PCB.
Yes
Measure the resistance
No
Repalce the sensor
value of the sensor
Yes
Replace indoor or outdoor
main PCB
44

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Fsoai-su-90ae2Fsai-su-120ae2Fsoai-su-120ae2

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