LCAC R32 Series
112
Service manual
4.4.14 J2 Malfunction
Malfunction conditions
When the compressor discharge temperature (T5) is more than 115°C for 10 seconds, the
compressor will stop and not restart until T5 is less than 90°C.
Possible causes
• Refrigerant leakage
• Wiring mistake
• Faulty discharge temperature sensor
• Faulty outdoor PCB
J2 displayed
Temperature protection of
compressor discharge
Is the compressor discharge
temperature more than 115°C
?
Are the compressor
discharge
temperature
sensor and PCB connected
properly according to the
wiringdiagrams?
Measure the resiistance vallue
of compressor diischarge
temp. sensor. If the vallue iis
not normall,,refer to the
Appendix
2. Does a problem stil
exist?
No
Yes
Yes
No
Correct the wiring connection
Stop the leak and add refrigerant
No
Replace the compressor discharge temp. sensor
No
Yes
Repllace hiigh pressure vallve assy
Yes
No
Repllace outdoor maiin PCB.
Does a probllem stiilll exiist?
Is refrigerant leaking?
PART 6. TROUBLESHOOTING
Summary of Contents for J100Wi
Page 1: ...LCAC R32 SERIES Tenji W Jato W Nevo W ENG Service manual ...
Page 13: ...LCAC R32 Series 13 Service manual PART 2 INDOOR UNITS 1 5 2 Units 30 42K a Cooling b Heating ...
Page 14: ...LCAC R32 Series 14 Service manual PART 2 INDOOR UNITS 1 5 3 Units 48 55K a Cooling b Heating ...
Page 18: ...LCAC R32 Series 18 Service manual PART 2 INDOOR UNITS 1 10 1 Wiring diagram for T140Wi T160Wi ...
Page 44: ...LCAC R32 Series 44 Service manual PART 2 INDOOR UNITS 3 10 FIELD WIRING ...
Page 131: ...LCAC R32 Series 131 Service manual NOTES ...
Page 132: ...www rotenso pl email info rotenso pl Installer stamp ...