Service manual

SiE18-201 Troubleshooting - Outdoor Unit Related
Service Diagnosis 245
Troubleshooting
Check No.3
Refer to P.250
CT Check
Refer to P.222
NO
Correct connection to a
certain place.
Correct pipe flare. Replace
half-union.
Replace cracked pipes.
Check harness for
disconnection and correctly
connect if any.
Check for pipe contact and
correct it.
Replace cracked pipes.
Replace motorized valve.
Input Current error (Refer
to H8)
Replace compressor.
The remedies are
completed by now.
Is each thermister
disconnected?
Check No. 3
Is motorized valve
normal?
(MF051)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Check gas for leaking.
Is oil oozing from
the piping joints?
YES
YES
Is oil oozing from
the internal piping?
NO
Does the
compressor badly
vibrate?
YES
NO
Abnormal
Check outdoor unit motorized valve.
Check BP motorized valve.
CT check.
Refer to CT error
Abnormal
Normal
Replace refrigerant.
Is gas shortage
re-generated?