Ambirad VPlus40 - Page 15

Check:
1. Integrity of spark leads
2. Integrity of electrode
assembly & spark gap
3. Ignition controller
Ensure gas & electricity
supplies are enabled.
Does the RED
neon
illuminate?
Check:
1. Operation of any thermostat
2. Check any external fuses
YES
Does the
Fan run?
Does the
amber light
illuminate after
10s purge?
If the heater still fails to
operate normally, please
contact
the Ambi-Rad
service department.
NO
NO
Does the
vacuum switch
`pull in`?
Check:
1. Wiring harness & plugs
2. Operation of vacuum switch
operation
3. Replace fan
Is the burner
sparking?
Does the gas
valve open?
Check:
1. Ignition controller
2. Replace gas valve
Check:
1. Vacuum switch tubes
2. Emitter tubes, air inlet & vent
for obstructions
3. Operation of vacuum switch
4. Replace fan
NO
YES
Check:
1. Burner controller
2. Wiring harness
3. Orange neon
Check:
1. Burner inlet pressure
2. Burner nozzle pressure
3. Check live & neutral polarity
4. Check presence of good earth
YES
YES
NO
NO
YES
NO
YES
Does the
amber light
illuminate for 10s
then go out?
NO
YES
YES
Is there power on
the burner?
Check:
1. Ignition controller
2. Red neon
YES
NO
B2. Fault Finding