Electronic Expansion Valve Check - Daikin FTXS20K2V1B Service Manual

SiBE041134
5.4

Electronic Expansion Valve Check

Check No.12 Conduct the followings to check the electronic expansion valve (EV).
1. Check to see if the EV connector is correctly connected to the PCB.
2. Turn the power off and on again, and check to see if the EV generates a latching sound.
3. If the EV does not generate a latching sound in the above step 2, disconnect the connector
4. Check the continuity between the pins 1 - 6, 2 - 6, 3 - 6, and 4 - 6. If there is no continuity
5. If the continuity is confirmed in step 3, the outdoor unit PCB is faulty.
Note: Please note that the latching sound varies depending on the valve type.
Service Diagnosis
and check the continuity using a tester.
between the pins, the EV coil is faulty.
Harness 5P
(5)
S20
Check
6P Connector
1 2 3 4 5 6
6-1
6-2
6-3
6-4
(R14212)
Check
103