Service manual

TROUBLE SHOOTING

HKD DCI 59 Version - 1

10.2.5 Open circuit or short circuit of temperature sensor diagnosis and solution

(E4/E5/F1/F2/F3)

Check the connections

between temperature

sensor and PCB. Are

the connections good?

Correct the connections.No

Yes

Yes Replace indoor or outdoor PCB.

Replace the sensor and

c h e c k i f t h e p r o b l e m

happen again?

Check the resistance value

of the sensor via table1

and table 2, is it normal?