48
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 45 explains the error codes on both.
Sizes 48 − 56
Table 45—Malfunction Status Table
ERRORS OF DEFINITION
MAIN CONTROL DISPLAY FOR OUTDOOR UNIT
INDOOR UNIT
CODE
TESTING
BOARD
CODE
YELLOW LED
RED LED
GREEN LED
Indoor unit 3 is connected
Flash 7 times
Indoor unit 4 is connected
Flash 8 times
Indoor unit 5 is connected
Flash 9 times
Indoor unit 6 is connected
Flash 10 times
Indoor unit 7 is connected
Flash 11 times
Indoor unit 8 is connected
Flash 12 times
Indoor unit 9 is connected
Flash 13 times
Indoor anti-freeze protection
E2
E2
Inside temperature sensor error
F1
F1
Evaporator midway temp sensor error
F2
F2
Liquid pipe of BU module temperature sensor error
b5
b5
Gas pipe of BU module temperature sensor error
b7
b7
Mode conflicts
E7
E7
Communication error
BU 1
Indoor unit A
Indoor unit B
Indoor unit C
BU 2
Indoor unit A
Indoor unit B
Indoor unit C
BU 3
Indoor unit A
Indoor unit B
Indoor unit C
Communication error between the main board and
driving board
P6
Communication error between the main board and
testing board
CE
Indoor unit gas sensor error
Fn
Indoor unit humidity sensor error
L1
Indoor unit water full protection
E9
Jumper terminal error
C5
C5
Power supply phase lack
dJ
Outdoor unit fan motor error
L3
Refrigerant recovery mode
Fo
Fo
Branch Box
ERRORS
INDICATING LED FLASHING TIMES
INDOOR UNIT
ERROR CODE
OUTDOOR UNIT
ERROR CODE
YELLOW LED
GREEN LED
RED LED
BU 1 is connected
Flash 1 time
BU 2 is connected
Flash 2 times
BU 3 is connected
Flash 3 times
Indoor unit A is connected
Flash 1 time
Indoor unit B is connected
Flash 2 times
Indoor unit C is connected
Flash 3 times
Indoor unit A gas tube temperature sensor error
Flash 1 time
b7
b7+ indoor unit address
Indoor unit A liquid tube temperature sensor error
Flash 2 times
b5
b5+ indoor unit address
Indoor unit B gas tube temperature sensor error
Flash 3 times
b7
b7+ indoor unit address
Indoor unit B liquid tube temperature sensor error
Flash 4 times
b5
b5+ indoor unit address
Indoor unit C gas tube temperature sensor error
Flash 5 times
b7
b7+ indoor unit address
Indoor unit C liquid tube temperature sensor error
Flash 6 times
b5
b5+ indoor unit address
Copyright 2017 Carrier Corp.
D
7310 W. Morris St.
D
Indianapolis, IN 46231 . Edition Date: 06/17
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Catalog No:38GJQ-02SI
Replaces: IM-38GJQ-01
Содержание 38GJQ Series
Страница 16: ...16 DIMENSIONS INDOOR CONT 8 4 in 215mm 23 6in 600mm 27 5in 700mm 7 87in 200mm Fig 7 Floor Console Dimensions...
Страница 19: ...19 DIMENSIONS OUTDOOR CONT Fig 12 Outdoor Dimensions Size 48 56...
Страница 25: ...25 CLEARANCES INDOOR CONT Fig 24 Ducted Clearance Fig 25 Floor Console Clearance...