Dimplex DHW 301P Montage- Und Gebrauchsanweisungen Seite 64

English
Display Type of fault
Too frequent
FREQ.DEFRO.
defrosting.
Low pressure on
LOW PRES.
heat pump.
Excessive domestic
hot water temperature
OVER HEAT
(water temperature
> 85°C).
EN-28
Cause
No air flow or air flow
too low.
Inlet/outlet opening for
air blocked.
Air duct closed or
blocked.
Pressure drop too high
(air duct too long or too
many bends installed).
Evaporator soiled.
No air flow or air flow
too low.
Inlet/outlet opening for
air blocked.
Air duct closed or
blocked.
Fan blocked or not work-
ing.
Evaporator soiled or
blocked.
Evaporator iced up.
Domestic hot water sen-
sor faulty.
Domestic hot water sen-
sor not in cylinder.
Heating element for sup-
plementary electric heat-
ing covered with
limescale.
FD 0303
Temporary Function /
Measures required
Resolution
Set fan to maximum
speed (menu: "FAN
MODE 2").
Check that air is routed
correctly through
Domestic hot water
device.
heat pump off.
Check length of duct:
Supplementary electric
(6 m out and back for
heating system heats up
flexible air duct;
water to 43 °C
12 m out and back for
(min. 38 °C)
rigid air duct).
Check air ducts to
ensure any additional
air filters installed are
not soiled.
Check whether fan is
running (caution -
rotating parts).
Check that air is routed
correctly through Domestic hot water
entire air duct. heat pump off.
Check length of duct. Supplementary electric
Check air ducts to heating system heats up
ensure that any water to 43 °C
additional fir filters (min. 38 °C)
installed are not soiled.
Check whether evapo-
rator is soiled or
blocked.
Check whether Domestic hot water
domestic hot water heat pump off.
sensor is fitted cor- Automatic restart of
rectly in the cylinder. domestic hot water
Carefully remove heat pump if tempera-
limescale from heating ture falls below set
element or replace domestic hot water set
heating element. temperature.
Faults
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