Table of Contents
Advertisement
https://daikin-p.ru
Symptom
Abnormal
frosting on
compressor
・Frosting on
terminal
cover
・Frosting on
compressor
head
Dusts caught in
injection solenoid
valve ISV
Faulty operation of
electronic expansion
valve (EV)
Cause
Defrost completed
outlet pipe frosted?
(Leak from ISV)
ISV wiring check
Is there any frost
on the compressor?
Circuit breaker OFF⇒ON
Is there any frost
on the compressor?
6-11
Checkpoint
※ As for the manual defrost, refer to P.2-23.
Manual defrost
NO
YES
Is the ISV
NO
YES
NO
Correct wiring
YES
YES
Replace the
ISV valve
NO
YES
Replace the EV
NO
Finish
Remedy
Advertisement
Table of Contents
Troubleshooting
