Carrier 38GJQ Series Installation Instructions Manual page 46

TROUBLESHOOTING (CONT)
This unit has on−board diagnostics. Error codes are displayed on the wired remote controller and the outdoor unit microprocessor board with
colored LED lights. Table 43 explains the error codes on both.
Sizes 30, 36 and 42
MALFUNCTION
Compressor runs
Defrost
Anti-freezing protection
IPM protection
AC over-current protection
Over-burden protection
Compressor exhaust high temperature protection
Compressor overload protection
Power protection
EEPROM reads and write protection
Low PN voltage protection
Over voltage protection for PN
PFC protection
PFC module temperature protection
Low pressure protection
High pressure protection
Limit/decline frequency (electric current)
Frequency limit(exhaust)
Frequency limit (over-burden)
Outdoor ambient sensor malfunction
Outdoor tube sensor malfunction
Exhaust sensor malfunction
Attain the temperature of switch on
Frequency limit (power)
Outdoor fan malfunction
Frequency limit (PFC module temperature)
PFC module sensor malfunction
Liquid pipe temperature sensor malfunction of A
Gas pipe temperature sensor malfunction of A
Liquid pipe temperature sensor malfunction of B
Gas pipe temperature sensor malfunction of B
Liquid pipe temperature sensor malfunction of C
Gas pipe temperature sensor malfunction of C
Liquid pipe temperature sensor malfunction of D
Gas pipe temperature sensor malfunction of D
Liquid pipe temperature sensor malfunction of E
Gas pipe temperature
Sensor malfunction of E
Exit of the condenser tube sensor malfunction
Correspondence is normal
Communication failure between indoor unit and outdoor unit
Indoor unit all communication failure
Indoor ambient sensor malfunction
Indoor evaporate sensor malfunction
Mode conflict
Accept fluorine mode
Jumper cap malfunction protection
Table 43—Malfunction Status Table
THE INDICATOR DISPLAY
YELLOW LIGHT
Flash 1 time
Flash 2 times
Flash 3 times
Flash 4 times
Flash 5 times
Flash 6 times
Flash 7 times
Flash 8 times
Flash 9 times
Flash 11 times
Flash 12 times
Flash 13 times
Flash 14 times
Flash 15 times
Flash 17 times
Flash 18 times
46
RED LIGHT GREEN LIGHT
Flash 1 time
Flash 2 times
Flash 3 times
Flash 6 times
Flash 5 times
Flash 7 times
Flash 8 times
Flash 13 times
Flash 14 times
Flash 15 times
Flash 16 times
Flash 17 times
Flash 18 times
Flash 19 times
Flash 20 times
Flash 21 times
Flash 22 times
Flash 23 times
Flash 24 times
Flash 25 times
Flash 26 times
Flash 27 times
Flash 7 Times (n=
indoor unit number)
Often bright
INDOOR
DISPLAY
H1
E2
H5
E5
H4
E4
H3
L9
PL
PH
HC
oE
E3
E1
F3
F4
F5
oE
F1
F2
E7
Fo
C5