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In the event of malfunction or operating disturbances first
Low temperature or a lack of
hot water
NOTE! The hot water capacity can be increased for
24 hours by pressing in button (18).
■ Large amounts of hot water were used.
■ Switch (25) not correctly set.
■ Circuit or main MCB tripped.
■ Possible earth circuit-breaker tripped.
■ Switch (8) set to "0".
■ MCB (7) tripped. See the section "Dealing with mal-
functions" "Resetting the miniature circuit break-
ers".
■ Tripped temperature limiter (6). (Contact service)
■ Closed or throttled filler valve (46) on the water
h
e
a
Low or a lack of ventilation
■ Defrost mode, lamp (31) constantly lit; see "Indica-
tions on the numerical display".
■ Filter (63) clogged (possibly replace).
■ Exhaust air device blocked or throttled down too
much.
■ Circuit or main MCB tripped.
■ Possible earth circuit-breaker tripped.
■ MCB (7) tripped. See the section "Dealing with mal-
functions" "Resetting the miniature circuit break-
ers".
Low room temperature
■ Circuit or main MCB tripped.
■ Possible earth circuit-breaker tripped.
■ MCB (7) tripped. See the section "Dealing with mal-
functions" "Resetting the miniature circuit break-
ers".
■ Tripped temperature limiter (6). (Contact service)
■ Automatic control system settings not correct (40) .
■ Circulation pump (16) stopped. See the section
"Dealing with malfunctions" "Starting the pump".
■ Air in boiler or system.
■ Closed valve (44) and (50) in the radiator circuit.
■ Initial pressure in expansion vessel too low. This is
indicated by low pressure on the pressure gauge
(42). Contact the installer.
If the operating disturbance cannot be rectified by means of the above an installation
If necessary set the switch to "
Dealing with malfunctions
check the points below:
t
e
r
engineer should be called.
FIGHTER 310P
2
1
3
bar
High room temperature
0
4
■ Automatic
heating
not correct.
Power switch position "
2
1
3
bar
0
4
.
Adjuster screw
When the switch is set to "
electronic controls of the
The fan is operational and the immersion heater is
controlled by a separate thermostat.
The numerical display is off. The automatic heating
control system is not operational, so manual shunt
operation is required. This is done by turning the
adjuster screw to manual mode and then turning the
shunt lever to the required position.
When returning to normal mode, do
not forget to reset the shunt lever to
the original position by turning the
adjuster screw to "A".
The display can remain unlit when returning to normal
mode. This is due to the boiler temperature being
above the heat pump's normal working area. The dis-
play comes on when the boiler temperature drops
once again to normal.
Cleaning the fan
Should abnormal noise come from the fan, this may
need cleaning. Contact your installer.
" (manual shunt operation necessary).
For the Installer
control
system
" the compressor and
heat pump are off.
NOTE!
21
settings
"
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