-
13
Note:
Service and repairs to the gas burner may only be carried
out by authorised Customer Service technicians. Therefore, the
troubleshooting tips for the burner refer only to the oil burner.
Faults in oil burner
Fault
Possible cause
Remedy
of whom
Water temperature during
full use is too low
Burner works only in stage 1.
Check quantity transported by the pump
(reference value more than 3000 l/h).
Operator/Custom-
er Service
Flow switch for spray jet operations defec-
tive, replace it.
Customer Service
Water temperature during
spray jet operations is too
high
Amount of water transported is too
low.
Check quantity transported by the pump
(reference value more than 1,450 l/h).
Operator/Custom-
er Service
Switch head for spray jet opera-
tions is set wrongly or is defective.
Check switching point (reference value
3000 l/h); replace switching head if required.
Operator/Custom-
er Service
No steam formation during
steam operations
Wrong position of stop-valve "hot
water“ and "steam stage"
Rectify the position.
Operator
End switch of the stop-valves is
faulty.
Replace the end switches.
Customer Service
Pressure guard (min.) has not
switched.
Check the quantity transported by the pump;
get it repaired, if required.
Operator/Custom-
er Service
Pressure guard is faulty, replace it.
Customer Service
Steam nozzle is washed out; replace it
Operator
Open the safety valves
Nozzles are blocked.
Clean the nozzles.
Operator
Burner is not working
The exhaust temperature stop has
been switched off.
Press the "Entriegelung Brennerstörung“ at
the operating panel.
Operator
If the fault recurrs, remove the cause of the
fault: Decalcify the appliance and remove
the soot deposits.
Operator/Custom-
er Service
Burner does not start
Ignition electrodes have been set
up wrongly or are dirty.
Dismantle the nozzle holder. Set the ignition
electrodes correctly and clean.
Operator
Insulation body has come off.
Dismantle the nozzle holder. Replace insu-
lating body.
Operator/Custom-
er Service
Ignition transformer faulty.
Replace
Operator/Custom-
er Service
Ignition cable charged.
Dismantle the nozzle holder. Replace the ig-
nition cable. Remove the cause of the prob-
lem.
Operator/Custom-
er Service
Automatic firing mechanism is
faulty.
Replace
Customer Service
The fuel pump is not trans-
porting fuel
Stop-valves closed.
Open the stop-valves.
Operator
Fuel filter dirty.
Clean the filter
Operator
Fuel pipes are leaky.
Tighten the screws.
Operator
Fuel filter leaky.
Replace
Operator
Suction valve leaky.
Dismantle and clean; replace, if required.
Operator/Custom-
er Service
Fuel pump defective.
Replace
Customer Service
Noise formation in the fuel
pump
Fuel pump sucks in air.
Tighten the screws.
Operator
Vacuum in the fuel pipe.
Clean the filter, open the valves completely. Operator
38
EN
Summary of Contents for HWE 4000
Page 2: ...2 ...
Page 12: ... 10 Maßblatt c Brennkammer ausziehen d Kesselmantel abnehmen 12 DE ...
Page 35: ... 10 Specifications sheet C Pull out the burner chamber d Remove the boiler sleeve 35 EN ...
Page 59: ... 11 Feuille de mesure c Sortir la chambre de brûleur d Enlever le manteau de chaudière 59 FR ...
Page 107: ... 10 Måttblad c Dra ut brännkammare d Ta av behållarens mantel 107 SV ...
Page 131: ... 11 Φύλλο διαστάσεων c Εξαγωγή θαλάμου καύσης d Αφαίρεση μανδύα λέβητα 131 EL ...
Page 155: ... 10 Méret lap c Égéskamrát kihúzni d Kazánburkolatot levenni 155 HU ...
Page 178: ... 10 Přehled rozměrů c Vytažení spalovací komory d Sejmutí pláště kotle 178 CS ...
Page 202: ... 11 Arkusz z wymiarami c Wyjąć komorę spalania d Zdemontować płaszcz kotła 202 PL ...
Page 226: ... 11 Информационный листок с Извлечь топку d Снять обшивку котла 226 RU ...
Page 241: ......