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Malfunction and Remedy
Warning !
All work on the electrical installation
must be carried out by a qualified
electricien
Remove power supply plug only when
the heater has entirely cooled down
Malfuction
The space heater is connected up,
but:
the burner does not start,
when the selector switch
is set to
= Heating
The space heater is connected up,
and switched on
the oil burner starts and
immediately indicates a
malfunction
Overheat thermostat switches off
Temperature controller continually
switches off
The heater is operating,
but is producing smoke
The warm air fan continues to run
although it is switched off and has
cooled down
The burner runs, but the warm air fan
does not start after a short period
The space heater is connected up,
but:
The fan does not start, when
the selctor switch
is set to
= Ventilation
For M200K only:
The heater is connected at electric
supply but does not operate
For M200K only:
The heater starts but blow only little
warm air
For M200K only:
Signal lamp at the control box is on
See also operating instructions for oil burner
The incorrect adjustment of the burner may destroy the combustion chamber and heat exchan
ger; therefore it is important that the output is correctly set. In order to avoid condensation, the
net temperature of the flue gases (= the measured temperature of the flue gases in °C minus
the inlet temperature of the burner in °C must drop below a value of 160°C. The burner
adjustment must be carried out by a specialist (after-sales service for burner). The flames must
on no account touch the walls of the combustion chamber.
Possible cause
a)
Not electrical supply
b)
defective selector switch
c)
Oil burner indicates a malfunction
d)
Motor or capacitor defective
e)
Óverheat thermostat is locked
f)
Room thermostat falsely set
a)
No oil in tank
b)
Air in fuel circuit
c)
Oil filter clogged
d)
The oil in the storage tank is jellied
e)
Oil burner indicates a malfunction
again
a)
Defective overheat thermostat
a)
Temperature controller wrongly set
b)
Fan does not start
c)
Fuel flow rate too high
a)
Nozzle is blocked
b)
Filter is clogged
c)
Water is in the fuel oil
d)
Paraffin precipates in the main filter
because ther is no oil preheating
e)
Not enough fuel in the tank
f)
Air sucked in through leaky points
g)
Defective solenoid valve
a)
Defective temperature controller
b)
Temperature regulator set to low
a)
Defective temperature regulator
b)
Temperature regulator set too low
c)
Warm air fan or capacitor defective
a)
No electricity supply
b)
Overheat thermostat is locked
c)
Capacitor defective
d)
Motor fan defect
a)
No electrical supply
b)
Fuse has interrupted
a)
Phases at phase-inverter has
changed, the rotation –direction of
the ventilation is wrong
a)
Motor protection relay has interrupt
Remedy
a)
Check main switch and fuses
b)
Replace selector switch
c)
Reset oil burner
If burner cuts again, press reset
button after 4 to 5 min.
Fault-clearance of oil burner
If there is another shut-down of the
burner on fault, press rest button
once again 4-5 minutes later
(see also operating instructions of
the burner)
After having pressed the reset
button at the burner control twice,
search for cuase of trouble by
consulting the operating instions – if
you do not succed, call for customer
service
d)
Check motor or capacitor or
replace if necesary
e)
Press reset button of overheat
thermostat
f)
Check room thermostat setting
a)
Refill oil tank
b)
Check srewed connections of fuel
circuit for leaks
c)
Change filter element
d)
Activate oil preheating in the tank
and insulate the lines
e)
See operating instructions
oil burner
a)
Replace warm air thermostat
a)
Check temperature controller set
b)
Check fan motor or capacitor or
replace it if necessary
c)
Adjust fuel flow rate to given value
a)
Replace nozzle
b)
Clean the filter or renew it
c)
Renew fuel oil
d)
Replace oil preheater
e)
Fill up the tank
f)
Tighten screw joints in the oil line
replace if necessary
g)
See operating instructions
oil burner
a)
Replace the warm air thermostat
b)
Correct the temperature adjustment
a)
Replace the warm air thermostat
b)
Correct the temperature adjustment
c)
Replace warm air fan or capacitor
a)
Check main switch and fuses
b)
Press overheat thermostat reset
button
c)
Check capacitor
d)
Replace motor fan
a)
Check electrical supply
b)
Replace fuses
c)
a) Change the direction at the
phase turning plug by means of a
screw driver (see page 9)
d)
Open electrical control box and
press reset button at motor
protection relay. In case of repeat
the motor has to be mecanically and
electrically by a specialist
11
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