Lincoln Impringer Conveyor Oven 1000 - Manual (Page 24)

Impinger I -–1000 Series Service Manual - Domestic 24
1 on 2 on 3 on 4 off 5 off 6 off - Burner Motor Centrifugal Switch bad.
1 on 2 on 3 on 4 on 5 off 6 off - Ignition Control bad.
1 on 2 on 3 on 4 on 5 on 6 off - Pilot Shield missing or warped, Flame Sensor bad, Pilot
- Orifice plugged, or Gas Valve bad.
1 on 2 on 3 on 4 on 5 on 6 on - Unit still not working Main Orifice plugged, Gas Valve bad,
- Temperature Control bad.
- However, Main Orifice would not be intermittent problem.