Sanden Eco GAUS-160FQTS, Owner'S Manual

Page: 10 / 20

Sanden Heat Pump - Owner
’
s Manual
Page 10 of 20
Sanden Heat Pump – Owner’s Manual
Page 10 of 20
Error Codes
When an error has occurred, a red LED on the operation panel turns on and an error code
is displayed on the LED display. The panel does not turn to the display sleep mode while
the error code is shown.
Figure 3 Error Code example
Below is the list of the error codes. If the corrective action does not solve the error problem,
a malfunction of the PCB is highly likely.
Error
code
Error contents Error
code
Error contents
H9
HP ambient
（
outdoor
）
temperature thermistor error
F5
Communication error between main
PCB to control PCB
HC
HP water outlet
（
outgoing
）
temperature thermistor error
E8 High inlet current error
J3
HP discharge temperature
thermistor error
H8 Current error
J5
HP suction temperature thermistor
error
L4 High temperature of module error
J6
HP defrost temperature thermistor
error
L5 High outlet current error
J8
HP water inlet
（
return
）
temperature thermistor error
P4
Module temperature thermistor
error
H7 Tank temperature thermistor error U2 High voltage error
E6 Compressor booting error HJ Water circuit error
H6 Compressor revolution error EC High water outlet error
U0 Refrigerant leakage error E9 Water circulation pump error
E1 Main PCB error E7 Fan motor locked
E2
L7
Control PCB error F3 Discharged temperature error
malfunction