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Table 5-5 Outdoor Unit Fault Code
Fault Code
Fault Contents
Communication fault between the indoor unit and the outdoor unit
T4 outdoor air temperature sensor fault
T3 Condenser pipe temperature sensor fault (outlet)
AC over-voltage / under-voltage protection
EEPROM fault
T6 refrigerant cooling panel temperature sensor fault or temperature protection
Outdoor unit phase-sequence fault
20-minute break at first or 2-minute break later
Remark
E1
E2
E4
E6
E8
E9
E10
EA
Eb
EC
E.E
H0
T5 Exhaust temperature sensor fault
T3B condenser temperature sensor fault (middle)
T7 refrigerant cooling pipe inlet temperature sensor fault
Model error(there is no dialing model in the EEOPROM)
Communication
fault
of
master
board
and
driver
chip
14
Display P6(IPM module protection) for 3 times within 30 minutes
Display P2 (system pressure is too low) protection for 3 times within 30 minutes
Display P4 (T5 Exhaust temperature is too high ) protection for 3 times within 100 minutes
The decrease
number of indoor unit
in
Display P9 (AC fan fault ) protection for 2 times within 10 minutes
Display P3(inverter overcurrent protection) protection for 3 times within 60 minutes
There are 3 times Pb protection in 60 minutes.
High
protection
pressure
Low pressure protection
inverter overcurrent protection
Exhaust overheating protection
IPM protection
DC fan fault
Anti-typhoon protection
T2 high temperature protection when heating
T3 overheating protection
Current detection error protection
DC compressor module fault
DC cable bus low voltage protection
DC cable bus high voltage protection
MCE fault / sync / closed loop
Zero speed protection
Compressor phase loss protection
Protection when the speed change at the previous moment and the latter moment
is greater than or equal to 15HZ
20-minute break at first or 2-minute break later
Indoor units are lost for more than 3 minutes. It can't be
restored until number of indoor units are restored.
Display H5 after P2 protection for 3 times within 30 minutes
Only restore when power on again
Display H4 after P6 protection for 3 times within 30 minutes
Display H9 after P9 protection for 2 times within 10 minutes
Display H6 for 3 times within 100 minutes
H4
H5
H6
H7
H9
H10
H12
P1
P2
P3
P4
P5
P6
P9
P10
P11
P12
P13
L0
L1
L2
L4
L5
L7
L8
L9
Pb
T3 or T3B condenser pipe overheating protection
Protection when the difference of set speed and actual operation speed
is greater than or equal to 15HZ
Inverter module temperature T9 too high protection
Only restore when power on again
Only restore when power on again
/
Display P13 protection for 2 times within 10 minutes
H11
Only restore when power on again
Содержание GIA-CEN-10KOMP
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