hajdu HB200 Manuel De Mise En Service, D'opération Et D'entretien page 75

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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.
T3 sensor – compressor discharge pipe sensor error
E9
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
The ambient temperature does not meet the operating conditions of the heat
LA
pump; the appliance switches to E-heater mode automatically
Remark:
If you perceive defective operation of the appliance, please turn to either a contracted
service shop or our to our customer service.
Control panel
Water tank
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"
Table 4.5.-1.
Electric heating Compressor
Pressure switch
Compressor

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