Possible Cause - Kärcher SB MB Bedienungsanleitung

Malfunction

Possible cause

Oil firing malfunction (au- No ignition spark present (visible
tomatic oil firing unit) in through the sight glass in the burner
the electrical box of the cover)
burner controller was trig-
Sight glass for flame monitoring is dirty Clean the sight glass for flame monitoring (see section "Maintenance work"). Then
gered)
Light sensor for flame monitoring is not
in holder or defective
Fuel oil level too low
No flame due to a shortage of fuel
No flame due to a shortage of air
Strong smoke develop- Ignition electrode lies in the fuel jet
ment during start-up and
operation
Fuel pressure incorrectly set (see sec-
tion "Technical data")
Heating coil heavily sooted
Exhaust gas thermostat Washing water circuit is calcified
(S5) was triggered
Heating coil heavily sooted
Burner is incorrectly set
Malfunctions on the gas burner may only be repaired by
authorised specialist personnel of the burner manufac-
turer.
Malfunction Possible cause
All coin acceptors reject Main switch switched off.
all coins.
Time or operating times incorrectly set.
Night-time operation lock active.
Water shortage
The motor circuit breaker of the high-
pressure pump has triggered.
A single coin acceptor re- Coin acceptor dirty.
jects all coins.
Overcurrent at the high-pressure
pump.
72
Burner malfunctions with oil-fired devices
Rectification
Check electrode setting, ignition transformer and ignition cable. Clean electrodes,
replace defective parts. Then press the release button of the automatic oil firing
unit.
press the release button of the automatic oil firing unit.
Reattach or replace the light sensor. Then press the release button of the automat-
ic oil firing unit.
Refill the fuel tank. Then press the release button of the automatic oil firing unit. Operator
Clean the fuel filter on the fuel pump. Then press the release button of the auto-
matic oil firing unit.
Clean the fuel nozzle and replace if necessary. Then press the release button of
the automatic oil firing unit.
Check the fuel solenoid valve, the fuel pump and the coupling.
Check the collar on the blower for damage and tight fit of the straps. Then press
the release button of the automatic oil firing unit.
The blower is defective, replace it. Then press the release button of the automatic
oil firing unit.
Check and correct the electrode setting.
Check the fuel pressure, set it again if necessary.
Dismantle the boiler and clean the heating coil.
Check the water treatment, descale the hot water circuit. Then press the exhaust
gas thermostat release button.
Dismantle the boiler and clean the heating coil. Then press the exhaust gas ther-
mostat release button.
Correct the burner setting. Then press the exhaust gas thermostat release button. Customer Service
Exhaust gas thermostat release button
1
Unlocking button for automatic oil firing unit
2
Burner controller electrical box
3
Burner malfunctions with gas-fired devices
Coin slot malfunctions
Rectification
Turn the main switch to "1".
Check the settings at the controller.
Check the water supply.
Reset the motor circuit breaker. Search for the cause if this occurs repeatedly.
Clean the coin slot (see section "Maintenance work").
Acknowledge the error at the controller.
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Operator, Customer
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Operator
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Customer Service
Operator
Customer Service
Operator, Customer
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Customer Service
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Customer Service
By whom
Operator
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Operator
Operator
Operator
Operator