GIA giatsu XKRB1 Manuel De L'utilisateur page 41

Error Code
Error Code
When a system error occurs, an error code will be shown on the temperature display area of
the wired controller. When multiple errors occur simultaneously, the error codes are shown
in succession. When an error occurs, please shut down the unit immediately, cut off the
mains switch and contact the service centre.
●
If other codes are shown, please shut down and contact the service centre.
●
If the "CL" code and "
the filter. After cleaning the filter, reinstall it and power on again. The code and icon will
disappear.
Fault Code
CL Filter cleaning reminder
Failed to communicate with the
A4
Wi-Fi module
E0 Exhaust overheat protection
E1 Over-load protection
E4 System high-pressure protection
E5 System low-pressure protection
System high-pressure low-
Eb
pressure protection
Ed Pressure exception protection
System exhaust low-temperature
EE
protection
EF Rated capacity ratio is too low
EH Rated capacity ratio is too high
System pressure ratio too low
EJ
protection
System pressure ratio too high
EL
protection
Compressor startup failure
H1
protection
H4 Compressor module protection
Compressor module overheating
H5
protection
L0 Jumper cap fault
L3 Indoor unit communication fault
L5 Indoor unit EEPROM fault
L6 Outdoor unit communication fault
" icon are displayed on the LCD, please shut down and clean
Name
Fault Code
Wired controller communication
L7
fault
L8 Water pump fault
L9 Water full protection
LH Capacity dial-up exception
Ln No address on the indoor unit
No master indoor unit available in
Lo
the system
LU Indoor unit total fault
PJ Refrigerant absence protection
PP Indoor unit absence fault
Indoor ambient temp. sensor open/
U0
short circuit
Un Indoor pipe inlet temp. sensor fault
Indoor pipe outlet temp. sensor
Uo
fault
Outdoor ambient temp. sensor
U2
open/short circuit
Outdoor exhaust temp. sensor
U4
open/short circuit
Sub-cooler coolant outlet temp.
Ub
sensor fault
Outdoor unit defrost temp. sensor
UJ
fault
System heat exchanger exhaust
UL
temp. sensor fault
UP Inlet pipe temp. sensor fault
Uq Outlet pipe temp. sensor fault
Sub-cooler outlet temp. sensor
UU
fault
17
Name