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30
TROUBLESHOOTING CONTINUED
38GVM Diagnostic Codes
18, 24, and 30K
36 and 42K
Indoor Unit
Display
Indoor and/or
Outdoor Unit
Error
NA
Defrost Mode 1
08
Outdoor
NA
Defrost Mode 2
0A
Outdoor
Inlet tube temperature sensor malfunction
Inlet tube temperature sensor malfunction
See Error Code Table
Indoor
Outlet tube temperature sensor malfunction
Outlet tube temperature sensor malfunction
See Error Code Table
Indoor
Low charge or refrigeration system blockage
NA
F0
Outdoor
Indoor return air temperature sensor
malfunction
Indoor return air temperature sensor
malfunction
See Error Code Table
Indoor
Indoor tube temperature sensor malfunction
Indoor tube temperature sensor malfunction
See Error Code Table
Indoor
Outdoor ambient temperature sensor
malfunction
Outdoor ambient temperature sensor
malfunction
F3
Outdoor
NA
Outdoor mid---coil temperature sensor
malfunction
F4
Outdoor
Outdoor discharge air temperature sensor
Outdoor discharge air temperature sensor
F5
Outdoor
Cooling oil return cycle
Cooling oil return cycle
F7
Outdoor
System high pressure protection
System high pressure protection
E1
Outdoor
Indoor freeze protection
Indoor freeze protection
E2
Indoor
System low pressure protection
System low pressure protection
E3
Outdoor
Compressor discharge high temperature
protection
Compressor discharge high temperature
protection
E4
Outdoor
Communication error between indoor
and outdoor
Communication error between indoor
and outdoor
E6
Indoor and
outdoor
Mode conflict
Mode conflict
E7
Indoor
System overload protection
System overload protection
E8
Outdoor
Cold Blow Protection
NA
E9
Indoor
Test mode
Test mode
dd
Outdoor
Pump down mode
Pump down mode
Fo
Outdoor
IPM Rest
IPM Rest
P0
Outdoor
Compressor current protection
Compressor current protection
P5
Outdoor
NA
Communication error between the inverter
drive and main board
P6
Outdoor
Heat sink temperature sensor malfunction
Heat sink temperature sensor malfunction
P7
Outdoor
IPM over temperature protection
IPM over temperature protection
P8
Outdoor
NA
Open Contactor
P9
Outdoor
Current sensor malfunction
Current sensor malfunction
Pc
Outdoor
NA
Current sensor mis---wiring protection
Pd
Outdoor
Input current protection
Input current protection
PA
Outdoor
NA
Inverter board ambient temperature sensor
malfunction
PF
Outdoor
Low voltage protection
Low voltage protection
PL
Outdoor
High voltage protection
High voltage protection
PH
Outdoor
NA
Abnormal input AC voltage
PP
Outdoor
Capacitor charging malfunction
Capacitor charging malfunction
PU
Outdoor
Defrost or heating oil return cycle
Heating oil return cycle
H1
Outdoor
NA
Forced defrost
H1
Outdoor
Compressor overheat protection
Compressor overheat protection
H3
Outdoor
IPM Protection
IPM Protection
H5
Compressor speed reduction
Compressor speed reduction
H7
Outdoor
PFC board protection
PFC board protection
Hc
Outdoor
Compressor high voltage protection
NA
L9
Outdoor
Compressor start ---up failure
Compressor start ---up failure
Lc
Outdoor
Compressor phase loss protection
Compressor phase loss protection
Ld
Outdoor
NA
Compressor stalling
LE
Outdoor
NA
Compressor over ---speed protection
LF
Outdoor
NA
Condenser coil inlet temp sensor malfunction
A5
Outdoor
NA
Condenser outlet temperature sensor
malfunction
A7
Outdoor
Memory card error
NA
EE
Outdoor
Frequency limitation for module circuit
protection
NA
En
Outdoor
Frequency limitation for module temperature
protection
NA
EU
Outdoor
Frequency limitation for overload protection
NA
F6
Outdoor
Frequency limitation for system circuit
protection
NA
F8
Outdoor
Frequency limitation for module circuit
protection
NA
F9
Outdoor
Frequency limitation for freeze protection
NA
FH
Outdoor
Compressor demagnetizing protection
NA
HE
Outdoor
Indoor and outdoor units mismatch
NA
LP
Outdoor and Indoor
Compressor phase detection malfunction
NA
U1
Outdoor
Low DC bus voltage
NA
U3
Outdoor
Communication error between main board
and EXV
Communication error between main board
and EXV
dn
Outdoor
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...