EN
Operating manual – Oil heater IDE 20 / IDE 30 / IDE 50 / IDE 60 / IDE 80
9
Risk of death due to improper repair! Never try to
make any modifications or repairs on the device.
Unauthorised modifications can lead to serious
injuries or death.
Have a certified specialist workshop perform the
repair work.
Troubleshooting
Faults and troubleshooting
Problem
Cause
Troubleshooting
Fan does not start and
flame does not ignite
Controller set
incorrectly
Check if the controller is set
correctly (e. g. the
temperature set at the
thermostat must be higher
than the room temperature).
Controller faulty
Have the controller
exchanged by the customer
service.
Fan does not start or
switches off during
start-up or operation
No power supply
Check the characteristics of
the electrical system
(230 V - 1~ - 50 Hz).
Check the functionality and
position of the selector
switch.
Check the fuse for
soundness.
Fan switches off during
start-up or operation
Flame present prior
to ignition of the
transformer
Contract the customer
service to have the device
cleaned and fuel oil residues
removed from the
combustion chamber.
Photo cell faulty
Have the photo cell
exchanged by the customer
service.
Motor winding
interrupted or blown
Have the motor exchanged
by the customer service.
Motor bearing
blocked
Have the motor bearing
exchanged by the customer
service.
Motor capacitor
blown
Have the motor capacitor
exchanged by the customer
service.
Fan switches off during
start-up or operation
No ignition
Check the connections of the
ignition cables at the
electrodes and the
transformer.
Check the position and the
distance of the electrodes.
Check whether the
electrodes are clean.
Have the transformer
exchanged by the customer
service.
Flame monitoring
system faulty
Have the flame monitoring
system exchanged by the
customer service.
Photo cell faulty
Have the photo cell cleaned
or exchanged by the
customer service.
Fan switches off during
start-up or operation
Burner is supplied
with no or
insufficient fuel oil
Contract the customer
service to have the coupling
between the pump and the
motor checked for
soundness.
Contract the customer
service to have the fuel oil
circuit checked for intruded air
and to have the lines and filter
seal checked for tightness.
Contract the customer
service to have the nozzle
cleaned or exchanged.
Magnet valve faulty
Contract the customer
service to have the electrical
connections checked.
Contract the customer
service to have the safety
thermostat LI checked.
Contract the customer
service to have the magnet
valve cleaned or exchanged.
Internal error of the
electronic control
unit
Contract the customer
service to have the control
unit reset; try at least twice. If
the problem persists, have
the control unit changed.
Fan starts and flame
burns with smoke
formation
Insufficient
combustion air
supply
Remove all obstacles and
obstructions from the inlet
and/or outlet openings.
Have the supporting disc of
the burner cleaned by the
customer service.
Used fuel oil
contaminated or
contains water
Replace used fuel oil with
clean fuel oil.
Clean the fuel oil filter.
Air inside the fuel oil
circuit
Have the lines and the fuel oil
filter checked for tightness by
the customer service.
Insufficient fuel oil
quantity at the
burner
Contract the customer
service to:
have the pump pressure
checked.
have the nozzle cleaned or
exchanged.
Excessive fuel oil at
the burner
Contract the customer
service to:
have the pump pressure
checked.
have the nozzle exchanged.
Device does not switch
off
Sealing of the
magnet valve faulty
Have the magnet valve
exchanged by the customer
service.
Problem
Cause
Troubleshooting