Fault Messages - Dimplex DHW 301P Montage- Und Gebrauchsanweisungen

Faults
12.2.

Fault messages

This domestic hot water heat pump is a quality product
and is designed for fault-free operation. Should a fault
Display Type of fault
Electronic board faulty.
No connection
MEMO/BUS between bus and dis-
play unit.
User display faulty.
Air intake temperature
T°AIR
sensor faulty.
Evaporator sensor
T°DEFROST
faulty.
Domestic hot water
T°WATER sensor in cylinder
faulty.
CLOCK Clock
High pressure on
OVER PRESS.
heat pump.
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occur, however, it will be indicated on the heat pump
display. The following fault messages are possible:
Cause
Electrical overvoltage in
network.
Incorrect wiring of
electrical connection
(utility company blocking
contact, sensor etc.).
Damage during trans-
portation.
Sensor faulty.
Sensor not connected
to board.
Sensor line damaged.
Sensor faulty.
Sensor not connected
to board.
Sensor line damaged.
Domestic hot water sen-
sor faulty.
Domestic hot water
sensor not connected
to board.
Sensor line damaged.
Overvoltage in network.
Transport damage.
No water in cylinder.
Water too hot (>75 °C).
Domestic hot water
sensor not in cylinder.
Domestic hot water
sensor faulty.
Evaporator soiled.
FD 0303
Temporary Function /
Measures required
Resolution
Replace electronic
motherboard. Domestic hot water
or heat pump off.
Replace display.
Heat pump off.
Supplementary electric
Replace sensor. heating system heats up
water to 43 °C
(min. 38 °C)
heat pump off.
Supplementary electric
Replace sensor. heating system heats up
water to 43 °C
(min. 38 °C)
Replace domestic hot Domestic hot water
water sensor. heat pump off.
The weekly program is
no longer followed and
the water is kept con-
Set date and time.
stantly at the set temper-
If setting is not possi-
ature (provided there is
ble, replace board.
no signal or control
device connected at the
"external contact" input).
Check whether cylinder
is properly filled with
water and ventilated.
Replace domestic hot
water sensor. Domestic hot water
Check whether the heat pump off.
domestic hot water Manual restart of
sensor is fitted cor- domestic hot water
rectly in immersion heat pump required.
sleeve.
Carefully clean evapo-
rator (fins) with vacuum
cleaner.
English
EN-27