Saunier-Duval-Thema-Classic-F24e-Installation-manual
Saunier-Duval-Thema-Classic-F24e-Installation-manual Saunier-Duval-Thema-Classic-F24e-Installation-manual
16 Fault FindingF1 FAULT DISPLAYEDFAULT: THE BURNER DOES NOT LIGHT AT ALL, BUT THERE IS AN IGNITION SPARK.Are the gas taps on?YESIs there 24Vdc at the gas control valve?for testing see component testing data.YESTest the gas control valve.Check resistance of safety valve coil.NONOTurn on the gas taps.Check the wiring.If the problem persists, change thecontrol board (PCB).FAULT: THE ROOM TEMPERATURE IS INADEQUATE AND RADIATORS ARE LUKE-WARM.Is the room thermostat and or radiatorset high enough and calling for duty?NOYESIs the heating temperature on the boilerset high enough?YESTurn up settingsIs the heating power adequate?- Check set point P3. (Refer to Commissioning)- Check dip switch setting. (Refer to Commissioning)- Check the adjustment of the by-pass internal andexternal (If fitted). - F24E Only Check the 3-way valveis not passing into the domestic hot water heat exchanger.4000124050-238
16 Fault FindingF24E ONLYFAULT: THE WATER AT THE TAPS IS LUKE-WARM.Is the temperature higher if you reducethe flow through the taps?NOCheck the 3-way valve is not passinginto the radiators. (The radiators shouldstay cold in Summer setting)YESCheck that the cold water inlet restrictoris fitted.Check the rate of flow.Check burner pressure is correct.11875FAULT: THE FAN DOES NOT START.Is there is 230V acat fan during demand?NOCheck continuity of fan harness.YESFaulty fan, replace.YESFaulty PCB, replace.11876FAULT: THE FAN RUNS BUT THERE ARE NO SPARKS.• CHECK CONTINUITY OF IGNITION (ELECTRODES AND LEADS)• CHECK POWER SUPPLY FROM PCB TO IGNITION UNITCONNECTIONS TO THE AIR PRESSURE SWITCHPrP1P232 1HLAir flow switch take-off.Electrical contacts.1187739 4000124050-2
- Page 1 and 2: To be left with the user4000124050-
- Page 3 and 4: ContentsCONTENTS DESCRIPTION SECTIO
- Page 5 and 6: Draining and FillingCaution: The bo
- Page 7: User Controls and LightingCentral h
- Page 10 and 11: Programmer Instructions for UseEven
- Page 12 and 13: 1 Technical DataThe F24E and F18E S
- Page 14 and 15: 3 Heating System Design3.1 Bypass
- Page 16 and 17: 5 Boiler Schematic F24E1 - Fan.2 -
- Page 18 and 19: 7 Fixing JigThe fixing jig is made
- Page 20 and 21: 9 Boiler Installation9.1 Sheet meta
- Page 22 and 23: 10 Horizontal Telescopic Top Flue I
- Page 24 and 25: 18410a Horizontal Top Flue Installa
- Page 26 and 27: 11.3 Mains Voltage External Control
- Page 28 and 29: 112 Commissioning5. • Bleed each
- Page 30 and 31: 15 Routine Cleaning and InspectionR
- Page 32 and 33: 15 Routine Cleaning and Inspection9
- Page 34 and 35: 16 Fault FindingBefore trying to op
- Page 36 and 37: 16 Fault FindingFAULT: NO HEATINGAr
- Page 40 and 41: 17 Wiring Diagram F24EgorFANg/yOVER
- Page 42 and 43: 18 Replacement of PartsTo Drain the
- Page 44 and 45: 18 Replacement of Parts18.9 Burner
- Page 46 and 47: 18 Replacement of Parts230V CONTROL
- Page 48 and 49: 18.25 System water pressure sensor,
- Page 50 and 51: 18 Replacement of Parts18.32 (F24E
- Page 52: 19 Spare partsWhen ordering spare p
16 Fault FindingF24E ONLYFAULT: THE WATER AT THE TAPS IS LUKE-WARM.Is the temperature higher if you reducethe flow through the taps?NOCheck the 3-way valve is not passinginto the radiators. (The radiators shouldstay cold in Summer setting)YESCheck that the cold water inlet restrictoris fitted.Check the rate of flow.Check burner pressure is correct.11875FAULT: THE FAN DOES NOT START.Is there is 230V acat fan during demand?NOCheck continuity of fan harness.YESFaulty fan, replace.YESFaulty PCB, replace.11876FAULT: THE FAN RUNS BUT THERE ARE NO SPARKS.• CHECK CONTINUITY OF IGNITION (ELECTRODES AND LEADS)• CHECK POWER SUPPLY FROM PCB TO IGNITION UNITCONNECTIONS TO THE AIR PRESSURE SWITCHPrP1P232 1HLAir flow switch take-off.Electrical contacts.1187739 4000124050-2
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