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14
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. 1
0.
03
.0
9
20.Troubleshooting
Identification
Cause
Remedy
Burner motor is not run-
ning
Fuse faulty
Safety thermostat locked
Setting of controller temperature exceeded
Controller faulty
Motor faulty
Oil preheater: heating or release thermostat
faulty
Motor–pump coupling faulty
Replace
Unlock
Try to restart i.a.w. temperature decrease
Replace
Replace
Replace
Replace
Burner does (not) start
and indicates a faulty
after the safety time has
elapsed
a) with flame formation:
Flame failure controller contaminated, faulty,
not
correctly inserted or not correctly set
Controller faulty
b) without flame formation:
no ignition
Burner not receiving any oil:
Valves, oil line closed
Oil tank empty
Filter contaminated
Oil line leaky
Pump faulty
Foot valve leaky
Nozzle contaminated or faulty
Solenoid valve faulty
Filter in solenoid valve clogged
Flame simulation
Motor–pump coupling faulty
Oil preheater clogged
Clean, replace, correctly insert
Replace
Ignition electrode and setting,
Check ignition transformer and cable
Open
Refill oil
Clean
Seal
Replace
Seal
Replace nozzle
Replace
Clean filter and replace solenoid valve
see under functional control "control box"
Replace
Replace
Flame extinguished dur-
ing operation
Oil reservoir worn
Nozzle filter clogged
Oil filter or oil feed lines contaminated
Air inlets
Solenoid valve faulty
Refill oil
Replace nozzle
Clean filter and lines
Check suction line and firings
Replace
Mixing device heavily
oiled or has heavy coke
crust
Incorrect setting
Incorrect nozzle size
Combustion air flow incorrect
Central heating room insufficiently ventilated
Correct setting dimensions
Replace
Readjust burner
Ensure aeration inlets are sufficiently large
Burner runs intermit-
tently
Oil throughput too great
Install a control box with flying restart circuit
Radio and TV interfer-
ence
Ignition flashovers to nozzle and accumulator
plate respectively
Weak antenna output
Correct ignition electrode
Have antenna checked
Install suppressor capacitor or interference-
suppression resistors