Bosch Heat Pump Error Codes

Bosch Electric Heat Pump Water Heater Compress 3000 270L – Model HP 270-2E

Fault Display Codes

* maintenance and repairs may only be carried out by an authorised contractor. The following table lists the fault codes. Ph 1800 633 920 to speak with an authorised contractor

E01 Fault in the top storage tank temperature sensor

Book Service, Call 1800 633 920

E02 Fault in the bottom storage tank temperature sensor

Book Service, Call 1800 633 920

E03 Fault in the temperature sensor at the air inlet

Book Service, Call 1800 633 920

E04 Temperature in storage tank 80 °C Isolate electrical connection

Book Service, Call 1800 633 920

E05 Fault in the temperature sensor at the evaporator fins

Book Service, Call 1800 633 920

E06 Hold down setting keys longer than 30 seconds Release keys

Book Service, Call 1800 633 920

E09 Incorrect system purging Water pump blocked (water not recirculating) Hydraulic circuit blocked (water not recirculating) System unpurged due to water shortage

Book Service, Call 1800 633 920

E10 Heating element faulty Fault in the high limit safety cut-out

Book Service, Call 1800 633 920

E11 Fault in the fan Leak in refrigerant circuit Fault in the compressor Fault in the expansion valve Fault in the dry filter

Book Service, Call 1800 633 920

E13 Fault in the positioning of top storage tank temperature sensor

Book Service, Call 1800 633 920

E14 Fault in the fan Air flow blockage

Book Service, Call 1800 633 920

LEG Thermal disinfection process running When temperature reaches and holds 60 °C for 35 mins, the appliance goes back to the mode previously selected

HOT Temperature of inlet air 40 °C Occurs when air inlet is higher than 40 °C or lower than -7 °C, respectively. The appliance will automatically switches off the heat pump cycle and operates with the electrical heater if heating is required Ph 1800 633 920

COLD Temperature of the inlet air -7 °C Ph 1800 633 920

LFLO Appliance may be with low air flow which will transform into an E14 if conditions persist for 24 hours Ph 1800 633 920

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