Dealing with malfunctions
7
For Home Owners
FIGHTER 200P
When the switch is set to "3", the compressor is not
operational. The fan and the immersion heater are
operational. Normally the immersion heater lamp is lit
in mode "3", when the immersion heater is operatio-
nal.
A possible fault on the printed circuit card can cause
the disappearance of the number display. However, the
immersion heater is still operational, if the thermostat
has not cut-out the immersion heater.
Switch position ”3”
If the operating disturbance cannot be rectified by means of the above an installation
engineer should be called. If necessary set the switch to ”3”.
■ Clock thermostat setting not correct
High room temperature
■ Large amounts of hot water were used.
■ Circuit or main MCB tripped.
■ Possible earth circuit-breaker tripped.
■ Switch (8) set to “0”.
■ Temperature limiter (6) tripped. Contact service.
■ Wrong mode chosen on power switch (8).
■ Thermostat (3) for immersion heater set too low.
Low temperature or a lack of
hot water
■ Circuit or main MCB tripped.
■ RCD (if fitted) tripped.
■ Temperature limiter (6) tripped. Contact service.
■ Wrongly set clock thermostat.
■ Circulation pump (16) stopped. See "Dealing with
malfunctions" – "Starting the pump".
■ Air in boiler or heating system.
■ Valves (44) and (50) in the radiator circuit closed.
■ Initial pressure in expansion vessel too low. This
will be indicated by low pressure on the pressure
gauge (42). Contact the installer.
■ Thermostat (3) for immersion heater set too low.
■ Defrost mode - lamp flashing - see chapter "Lamp
indications".
■ Filter (63) clogged (possible replace).
■ Exhaust air device blocked or throttled down too
much.
■ Circuit or main MCB tripped.
■ RCD (if fitted) tripped.
■ Setting of the manual fan switch (if mounted) is
incorrect.
Low room temperature
Low or a lack of ventilation
In the event of malfunction or operating disturbances first
check the points below:
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