43
TROUBLESHOOTING CONTINUED
(9) Compressor desynchronizing malfunction
Main checking points:
Is the eletronic expansion valve working correctly or is it broken;
Is the system pressure too high
Are the system heat exchangers functioning correctly
Flow chart:
Eliminate the malfunction
Eliminate the malfunction
Eliminate the malfunction
Replace the compressor
End
no
no
no
no
no
yes
yes
yes
yes
yes
yes
Replace the elctronic expansion
valve
The system starts then stops
immediately after being energized
Is stop duration of the compressor
3 minutes or less?
Is the compressor connected
correctly?
Reconnect the compressor
correctly per the wiring
diagram
Is the eletronic expansion valve broken?
Replace the outdoor main
board
Summary of Contents for 38GVM Series
Page 14: ...14 WIRING DIAGRAMS A13093 Fig 12 38GVM 18k Wiring Diagram...
Page 15: ...15 WIRING DIAGRAMS CONTINUED A13094 Fig 13 38GVM 24k Wiring Diagram...
Page 16: ...16 WIRING DIAGRAMS CONTINUED A13095 Fig 14 38GVM 30k Wiring Diagram...
Page 17: ...17 WIRING DIAGRAMS CONTINUED A13096 Fig 15 38GVM 36k Wiring Diagram...
Page 18: ...18 WIRING DIAGRAMS CONTINUED A13097 Fig 16 38GVM 42k Wiring Diagram...