Faults In Oil Burner - Kärcher HWE 4000 Oil Bedienungsanleitung

Fault
Water temperature during
full use is too low
Water temperature during
spray jet operations is too
high
No steam formation during
steam operations
Open the safety valves
Burner is not working
Burner does not start
The fuel pump is not trans-
porting fuel
Noise formation in the fuel
pump
Uneven spraying of fuel at
the burner nozzle
Fuel does not come out of
the nozzle.
Indicator lamp "Entriege-
lung" of the remote control
lights up (option)
Flame sensor is not reacting
to the flame
Flame head is fouled by oil
or has deposit of coke
36

Faults in oil burner

Possible cause
Burner works only in stage 1.
Amount of water transported is too
low.
Switch head for spray jet operations
is set wrongly or is defective.
Wrong position of stop-valve "hot
water" and "steam stage"
End switch of the stop-valves is
faulty.
Pressure guard (min.) has not
switched.
Nozzles are blocked.
The exhaust temperature stop has
been switched off.
Ignition electrodes have been set up
wrongly or are dirty.
Insulation body has come off.
Ignition transformer faulty.
Ignition cable charged.
Automatic firing mechanism is faulty. Replace
Stop-valves closed.
Fuel filter dirty.
Fuel pipes are leaky.
Fuel filter leaky.
Suction valve leaky.
Fuel pump defective.
Fuel pump sucks in air.
Vacuum in the fuel pipe.
Pressure plate loose.
Sieve is very dirty.
Burner nozzle is rinsed out.
Nozzle is blocked.
Solenoid fuel valve does not open.
Faulty flame
Flame sensor is dirty.
Thermal overload on the automatic
firing mechanism.
Inadequate ventilation in the room
where the plant is installed.
Wrong setting or wrongly selected
components.
Remedy
Check quantity transported by the pump (ref-
erence value more than 3000 l/h).
Flow switch for spray jet operations defective,
replace it.
Check quantity transported by the pump (ref-
erence value more than 1,450 l/h).
Check switching point (reference value 3000
l/h); replace switching head if required.
Rectify the position.
Replace the end switches.
Check the quantity transported by the pump;
get it repaired, if required.
Pressure guard is faulty, replace it.
Steam nozzle is washed out; replace it
Clean the nozzles.
Press the "Entriegelung Brennerstörung" at
the operating panel.
If the fault recurrs, remove the cause of the
fault: Decalcify the appliance and remove the
soot deposits.
Dismantle the nozzle holder. Set the ignition
electrodes correctly and clean.
Dismantle the nozzle holder. Replace insulat-
ing body.
Replace
Dismantle the nozzle holder. Replace the ig-
nition cable. Remove the cause of the prob-
lem.
Open the stop-valves.
Clean the filter
Tighten the screws.
Replace
Dismantle and clean; replace, if required.
Replace
Tighten the screws.
Clean the filter, open the valves completely. Operator
Dismantle the nozzle holder. Tighten the
pressure plate.
Dismantle the nozzle holder. Dismantle burn-
er nozzle, clean sieve.
Dismantle the nozzle holder. Dismantle burn-
er nozzle and replace it.
Dismantle burner nozzle, clean it.
Replace defective coil.
Press the "Entriegelung Brennerstörung" at
the operating panel.
Remove the flame sensor and clean it.
Replace
Check ventilation of the installation room.
Correct the setting or replace the compo-
nents.
13
-
EN
of whom
Operator/Customer
Service
Customer Service
Operator/Customer
Service
Operator/Customer
Service
Operator
Customer Service
Operator/Customer
Service
Customer Service
Operator
Operator
Operator
Operator/Customer
Service
Operator
Operator/Customer
Service
Operator/Customer
Service
Operator/Customer
Service
Customer Service
Operator
Operator
Operator
Operator
Operator/Customer
Service
Customer Service
Operator
Operator/Customer
Service
Operator/Customer
Service
Operator/Customer
Service
Operator/Customer
Service
Operator
Operator
Operator
Operator/Customer
Service
Operator
Customer Service