FAULT/CAUSERE/MEDY
18
FAULT CAUSERE MEDY
Burner does not light Burner safety cut-off button or burner relays
disconnected.
Push safety cut-off button. If burner does
not work properly after several attempts,
call service engineer immediately.
No ignition Short-circuited ignition electrodes
Ignition electrode gap too wide
Dirty or wet ignition electrodes
Ignition cable charred
Flame detector (photoresistor)
soiled or faulty
Blown insulator or ignition electrode
Faulty ignition transformer
Faulty automatic firing system
Adjust
Adjust
Clean
Determine cause and remove
Change ignition cable, clean if soiled.
Replace if faulty
Replace
Replace
Replace
Motor does not run Faulty condenser
Oil pump dirty or seized
Seized bearing
Faulty motor
Replace
Clean or replace
Replace motor
Replace motor
Pump does not deliver oil Damaged drive (clutch faulty)
Suction valve leaking or seized
Suction tube leaking
Air in suction tube
Filter dirty and clogged
Filter leaking
Replace
Clean or replace
Retighten screw connector
Bleed at pump
Clean
Replace
Incorrect burning Atomising pressure too low Increase pump pressure setting
Loud noises from pump Pump is sucking in air, vacuum in suction
tube too high
Tighten screw connector. Check tube for
cuts.
Irregular atomising Jet nozzle partially blocked
Nozzle worn out from over-use
Filter soiled
Replace jet
Replace
Clean
No oil-flow Jet hole blocked Replace jet
Oil flows out as soon as burner starts up Leaking magnetic oil pump valve
(or possibly dirty)
Clean or replace
Smell of gas Leaking tubes, armatures or burners Shut off gas taps at meter and at connecti
-
on to device. Contact customer service or
gas supply company immediately.
Smell of oil Leaking tubes, armatures or burners Check units for leaks. Repair leaking
sections or contact specialist repair firm.
Circulation pump does not run or cuts off Loose cable clamp or bridge
Faulty condenser
Tighten all clamp screws
Replace CO
2
value too low Air intake incorrectly set
Leaking flue pipe
Check combustion chamber settings
Seal flue pipe
Flue gas temperature too high Dirty boiler
Chimney draught too strong
Clean
Have draught interrupter installed
Flue gas temperature too low Burner capacity incorrect or burner incor
-
rectly adjusted
Have burner correctly adjusted
For all the faults* mentioned above, and for any others that may occur, it is advisable to call in a qualified person, and to entrust any ne
-
cessary repairs to a specialised firm only.
* Please keep the designer of the unit informed of any faults
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