328 014525201
15
Specifications subject to change without notice.
TROUBLESHOOTING (CON’T)
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 10 explains the error codes on both.
Table 10—Malfunction Status Table Outdoor Multi
−
zone Sizes 30, 36, & 42
NAME OF MALFUNCTION
THE INDICATOR DISPLAY
INDOOR
DISPLAY
YELLOW LIGHT
RED LIGHT
GREEN LIGHT
Compressor runs
Flash once
Defrost
Flash twice
H1
Anti-freezing protection
Flash 3 times
E2
IPM protection
Flash 4 times
H5
AC over-current protection
Flash 5 times
E5
Over-burden protection
Flash 6 times
H4
Compressor exhaust high temperature protection
Flash 7 times
E4
Compressor overload protection
Flash 8 times
H3
Power protection
Flash 9 times
L9
EEPROM reads and write protection
Flash 11 times
Low PN voltage protection
Flash 12 times
PL
Over voltage protection for PN
Flash 13 times
PH
PFC protection
Flash 14 times
HC
PFC module temperature protection
Flash 15 times
oE
Low pressure protection
Flash 17 times
E3
High pressure protection
Flash 18 times
E1
Limit/decline frequency(electric current)
Flash 1 times
Frequency limit
(
exhaust)
Flash 2 times
Frequency limit(Over-burden)
Flash 3 times
Outdoor ambient sensor malfunction
Flash 6 times
F3
Outdoor tube sensor malfunction
Flash 5 times
F4
Exhaust sensor malfunction
Flash 7 times
F5
Attain the temperature of switch on
Flash 8 times
Frequency limit(power)
Flash 13 times
Outdoor fan malfunction
Flash 14 times
Frequency limit(PFC module temperature)
Flash 15 times
PFC module sensor malfunction
Flash 16 times
oE
Liquid pipe temperature sensor malfunction of A
Flash 17 times
Gas pipe temperature sensor malfunction of A
Flash 18 times
Liquid pipe temperature sensor malfunction of B
Flash 19 times
Gas pipe temperature sensor malfunction of B
Flash 20 times
Liquid pipe temperature sensor malfunction of C
Flash 21 times
Gas pipe temperature sensor malfunction of C
Flash 22 times
Liquid pipe temperature sensor malfunction of D
Flash 23 times
Gas pipe temperature sensor malfunction of D
Flash 24 times
Liquid pipe temperature sensor malfunction of E
Flash 25 times
Gas pipe temperature
sensor malfunction of E
Flash 26 times
Exit of the condenser tube sensor malfunction
Flash 27 times
Correspondence is normal
Flash 7 Times
(n = indoor
unit number)
Communication failure between indoor unit and outdoor unit
Often bright
(
indoor unit all Communication failure)
Indoor ambient sensor malfunction
F1
Indoor evaporate sensor malfunction
F2
Mode conflict
E7
Accept fluorine mode
Fo
Jumper cap malfunction protection
C5
