OBSERVATION SPARKING OCCURS

Set Appliance State:

Gas Off

Isolate Mains Power to appliance as per TOPs P4

Turn Hot Water Tap On

Remove electrode lead from spark generator & make safe
Do not touch any part of the appliance during this test

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure

Mains Power On

Observation:

If required, reset boiler, press mode and ok for 2 seconds.
Allow self-check to complete and ignition sequence to commence.
Does sparking occur (see note)?

vm vitodens 25 kw combi inner case top .jpg

Note.
Sparking phase of ignition will last for approximately 4 seconds, the boiler will enter lockout after 3 attempts of ignition, approximately 30 seconds between each attempt, reset as required until test is complete.