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E1
T5L sensor error.
E2
Communication error between the water tank and the wired controller .
E4
Evaporation pipe temperature sensor error
E5
Ambient temperature sensor error.
E6
Compressor discharge pipe temperature sensor error
E7
Heat Pump system error
E8
Leakage current error. If L, N> 14mA, the control indicates leakage current
error.
E9
T3 sensor
–
compressor discharge pipe sensor error
EE
Electrical heater circuit not closed, broken wire
EF
Timer error, error of the timer control
Ed
E-EPROM chip error
P1
Overpressure protection error
P2
Discharge pipe overheating error
P3
No current flowing in the compressor
P4
Compressor overload error
LA
The ambient temperature does not meet the operating conditions of the heat
pump; the appliance switches to E-heater mode automatically
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.
7.
MAINTENANCE
7.1.
Planned preventive maintenance to be performed by the user
WARNING!
The operations explained below can only be performed when the appliance is
not operating, so it is switched off and the external switch is set into “OFF”
T3: Pipe temperature sensor
T4: Environmental temperature
sensor
T5L: Tank temperature sensor
(lower)
TSU: Tank temperature sensor
(upper)
TP: Discharge temperature sensor
TH: Air reflow temperature sensor
Water tank
Pressure switch
Compressor
Compressor
Electric heating
Control panel