Giatsu GIA-CEN-10KOMP Manuel D'installation page 38

Fault Code
E1
Communication fault between the indoor unit and the outdoor unit
E2
E4
E6
T3 Condenser pipe temperature sensor fault (outlet)
E8
E9
E10
T3B condenser temperature sensor fault (middle)
EA
T6 refrigerant cooling panel temperature sensor fault or temperature protection
Eb
T7 refrigerant cooling pipe inlet temperature sensor fault
EC
E.E
Model error(there is no dialing model in the EEOPROM)
Communication fault of master board and driver chip
H0
Display P6(IPM module protection) for 3 times within 30 minutes
H4
H5
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
H6
H7
Display P9 (AC fan fault ) protection for 2 times within 10 minutes
H9
H10 Display P3(inverter overcurrent protection) protection for 3 times within 60 minutes
Display P13 protection for 2 times within 10 minutes
H11
There are 3 times Pb protection in 60 minutes.
H12
P1
P2
P3
P4
T3 or T3B condenser pipe overheating protection
P5
P6
P9
P10
P11
P12
P13
Inverter module temperature T9 too high protection
Pb
L0
L1
L2
L4
L5
L7
Protection when the speed change at the previous moment and the latter moment
L8
Protection when the difference of set speed and actual operation speed
L9
Table 5-5 Outdoor Unit Fault Code
Fault Contents
Outdoor unit phase-sequence fault
T4 outdoor air temperature sensor fault
T5 Exhaust temperature sensor fault
AC over-voltage / under-voltage protection
EEPROM fault
The decrease in number of indoor unit
High pressure protection
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
is greater than or equal to 15HZ
is greater than or equal to 15HZ
20-minute break at first or 2-minute break later
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
Display H6 for 3 times within 100 minutes
Display H4 after P6 protection for 3 times within 30 minutes
Display H9 after P9 protection for 2 times within 10 minutes
14
Remark
Only restore when power on again
Only restore when power on again
Only restore when power on again
Only restore when power on again
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