INVENTOR P9VI32-09WF User Manual

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11.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution
(E4/E5/F1/F2/F3)
Error Code
E4/E5/F1/F2/F3
Malfunction decision
conditions
If the sampling voltage is lower than 0.06V or higher than 4.94V,
the LED will display the failure.
Supposed causes
● Wiring mistake
● Sensor faulty
● PCB faulty
Trouble shooting:
Check the connections
between temperature
sensor and main PCB.
Are the connections
good?
Correct the connections.No
Yes
Yes
Replace indoor or
outdoor main PCB.
Replace the sensor
Check the resistance value
of the sensor, is it normal?
No

INVENTOR P9VI32-09WF Specifications

General

Brand	INVENTOR
Model	P9VI32-09WF
Category	Air Conditioner
Language	English