31
EN
5.
Oil pump
Oil pressure is fluctuating, heavy operating
Leaking suction line (admission of air)
Check oil supply
noise, oil pressure is not established
Oil supply not in accordance with the
Check oil supply
specifications
Suction line is not de-aerated
De-aerate the suction line
Oil stop-cock is locked
Open the oil stop-cock
Defective coupling
Exchange the coupling.
Dirty oil pump filter
Exchange the oil pump filter
Dirty preliminary filter
Exchange the preliminary filter
Defective oil pump gear
Exchange the oil pump
Discharge of paraffin or EL heating oil (+4°C)
Laying of oil supply lines safe from coldness
Non-flowing of the EL heating oil EL (-1°C)
Laying of oil supply lines safe from coldness
6. Solenoid valve
The solenoid valve in the first/second stage
Defective coil of the respective solenoid
Exchange the coil of the respective solenoid
does not open
valves
valve
Defective oil firing unit
Exchange the oil firing unit
7.
Flame monitoring
I.
Flame detector
Fault shutdown without the formation
Secondary light
Remove secondary light
of a flame
Defective flame detector
Exchange the flame detector
Fault shutdown with the formation of a flame The flame detector/glass insert light tube
Clean the flame detector/glass insert
are dirty
light tube
Defective flame detector
Exchange the flame detector
II.
Ignition unit with flame monitoring
Fault shutdown without the formation
Pretend flame created by fault current
Remove the moisture in the range of the
of a flame
due to moisture
electrodes and the ignition unit
Pretend flame created by soot spacing
Clean the ignition electrodes
between the ignition electrodes
Pretend flame created by fault current
Exchange the electrodes
due to defective insulator
Fault shutdown with the formation of a flame Defective ignition unit with flame monitoring
Exchange the ignition unit with flame
monitoring
The ignition electrodes are dirty
Clean the ignition electrodes
8.
Oil nozzle
Pulsating start-up behaviour, high emissions
Defective oil nozzle
Exchange the oil nozzle
of CO and soot due to non-conforming
Insufficient oil pressure
Adjust the oil pressure
spray pattern
9.
Mixing device
The air nozzle/re-circulation tube are
Incorrect adjustment of the burner
Adjust the burner in accordance with the
seriously dirty/re-circulation tube, deformed
basic adjustment table (see chapter 5)
Defective oil nozzle (spray pattern)
Exchange the oil nozzle
The features of the nozzle (size, spray
Deploy the oil nozzle in accordance with
characteristics, manufacturer) are not in
the manufacturer's settings
accordance with the guidelines
Excessive pressure in the combustion
Check the flue gas system and the
chamber
level of pollution of the boiler's heat
exchanger and carry out cleaning, if
necessary
