LCAC R32 Series
114
Service manual
4.4.16 J4 Malfunction
Communication error between outdoor main
chip and compressor driven chip
Is there at least one LED in the
compressor driven chip light?
Check the signal wire between the
Compressor driven chip and the
main board, is it connected
properly?
Reconnect and retry. Is the
error still displayed?
Replace Compressor driven
Chip. Is the system running
normally?
Replace the electric control box
No
No
No
No
Yes
Problem is resolved
No
Yes
Replace outdoor main board.
Is the system running
normally?
No
Yes
Yes
J4 displayed
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 ...