|Pages: Previous      1 2 3 4 5 6 7 8 9 10 11 ..... 46 47 48 49       Next|
Maintenance and Service
Vaillant ecoTec Plus 637 F.75 Fault Pump replacement 0020025042
Vaillant ecoTec Plus 637 F.75 Fault
- Boiler is not working and fault code F.75 is showing.
- Check the power to the pump 240v when boiler deman is on
- If there is power then open the pump vent screw (small amount of water will escape)
- With a screwdriver check if the impeller is rotating
- If its rotating try to stop it with the screwdriver
- If its easy to stop then replae the pump
Pump replacement part number is 0020025042
Potterton Suprima 80 HE - Faulty PCB (SM10501U)
Potterton Suprima 80 HE - pump overun doesn't work
- Boiler occasionally goes to an overheat lockout
- The pump is wired to a PCB pump connection to provide 2 minutes pump override in order to get rid of the het from the main heat exchanger.
- The faulty part is PCB - part number is SM10501U
Worcester 532/i - Error C6, Faulty fan 87161160670; 87172044530; 8716118443
Worcester 532/i - No heating, no hot water, the boiler displays an error code C6
- Check the power to the fan between brown and purple wires. If there is 240v but fan is not working replace the fan.
- Faulty part is fan - replacement part 87161160670; 87172044530; 8716118443
Mira Discovery - Constantly leaking from a shower head (Flow Control 1.1609.042.2)
Mira Shower Discovery is constantly leaking from a shower head.
The flow cartridge is faulty. Isolate the water supply before removing the cartridge
The part number is - Flow Control 1.1609.042.2
Nibe F205P - hot water low pressure after 1 minute
Nibe F205P heat pump produces very low pressure hot water.
Hot water pressure is strong when you first open a tap but then gradually reduces to a trickle.
The fault is a Pressure Reducing Valve (PRV) is faulty.
Replace the PRV. Replacement part is - 520-467-0829 Pre-Set at 3.5 Bar - 330 Series Domestic Pressure Reducing Limiting Valve with Cold Take Off - PRED330006
Isolate water from the mains stop cock before replacing the part.
2017-07-09Pages: Previous      1 2 3 4 5 6 7 8 9 10 11 ..... 46 47 48 49       Next