Operation Manual

The error code from the screen of SET TEMP. will be displayed when malfunctioning happens, the
system then displays an error code after one minute. Press the SET TEMP key again to set the temperature on
the screen
When malfunctioning happens in Economy Mode, the system switches to E-heater Mode and goes on
operating. When some error happens, the system could be used under some circumstances, but it can not reach
the expected efficiency. Please contact your contracted distributor for help
Error code explanation (See Table 4.5-1. )
WARNING!
The cover of the electric heating can be removed only by a technician; failure to this warning may
cause electric shock or other danger.
4.5 Error code explanation
Display Malfunctioning description
E0
Error of sensor T5U
E1
Error of sensor T5L
E2
Tank and wired controller communication error
E3
Discharge pipe temperature sensor error
E4
Evaporation pipe temperature sensor error
E5
Ambient temperature sensor error
E6
Discharge pipe temperature sensor error
E7
Heat Pump system error
E8
Electric leakage error. The control indicates electric leakage error at L, N > 14mA.
E9
TH sensor condenser failure
P1
System high pressure protection error
P2
Discharge pipe temperature overhigh error
P3
No current flowing in compressor
P4
Compressor overloading error
P8
No current flowing in electric heater
P9
Upper e-heater overloading error
LA
Ambient temperature is not fit for heat pumps, change the mode to E-heater mode
Table 4.5.-1.
Remark:
If you perceive defective operation of the appliance, please turn to either a contracted service shop or our to our
customer service.
EN 22
The error code is displayed.
Press CANCEL key to stop the buzzer.