IDEAL VOGUE s15 Installation And Servicing page 59

76 OVERhEAT LOCKOUT
Are the Boiler and CH/Cylinder system filled with water
and are all Isolation Valves and Radiator Valves open?
Is the Flow/Return Differential across the boiler in
Check that the Pump is rotating freely. Is the
77 IgNITION LOCKOUT
If the Boiler is Reset, does it Ignite for a short time
Is the Gas Pressure available at the boiler > 18mBar?
Is 215Vdc available at the Gas Valve during
Unplug the Gas Valve, is the resistance between the
Check Spark Generator and associated Harness
for continuity, visual condition and position (refer to
Frame 60). Are these functioning correctly?
Check Ignition Electrode and associated Harness
for continuity, visual condition and position (refer to
Frame 58). Are these functioning correctly?
Check Syphon and condensate drain pipework
for blockage and rectify if necessary. Boiler now
* Note: due to the wave form of the rectified voltage, the reading will vary depending on the type of meter used to measure
the value. In general terms a reading of greater than 150V indicates that the correct voltage is supplied to the gas
valve
vogue system boiler -
Fault Finding
Has PCB just been replaced?
No
Yes
excess of 30°C?
Yes
Differential now below 20°C?
Yes
Reset boiler
and then Extinguish
No
Yes
ignition? (* See note)
Yes
pins between 1kW and 10kW?
Yes
Yes
Yes
working OK?
Installation and Servicing
Yes
Reset Boiler
No
Fill and vent the system and open all
Isolation Valves, then Reset the Boiler
No
Check the Flow and Return Thermistors
No
Replace the Pump, then Reset the Boiler
Yes Check the Detection Electrode and associated Harness for
continuity, visual condition and position (refer to Frame 59).
Check if the Condensate Pipe is Blocked.
No
Check Gas Supply and rectify fault
No
Check wiring from Gas Valve to PCB and replace if necessary,
otherwise replace the main PCB
No
Replace Gas Valve
No
Replace Spark Generator and Harness
as necessary
No
Replace Ignition Electrode and
associated Harness as necessary
No
Replace Gas Valve
59