10.3.2.8 Temperature protection of compressor discharge(ODU P4)
Temperature protection of
compressor discharge
Check whether the
compressor discharge temp. is
more than 115°C ?
No
Check
whether
connection is right between
compressor discharge temp.
sensor and PCB according
to wiring diagrams?
Yes
Measure the resistance value
compressor discharge
of
temp. sensor.
If the value is
not normal
is normal refer to
the Appendix 2?
Yes
Replace outdoor main PCB
No
Replace high pressure valve assy
Check whether the
Yes
refrigerant is leak
No
the
No
No
Replace the compressor discharge temp. sensor
Yes
Correct the wiring connection
Stop leaking and add refrigerant