Light#4 in 24VAC at terminal #6 of Johnson control valve or "24V" on Honeywell Control. Light#5 in 24VAC at terminal #1 of Johnson control valve or "PV" on Honeywell Control. Light#6 in 24VAC at terminal #3 of Johnson control valve or "MV" on Honeywell Control.
CODE:
All lights off - lights of main power, main fan off, air pressure switch out.
1 on 2 off 3 on 4 off 5 off 6 off | - Burner Motor Relay bad. | |
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 |
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| - 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, | |
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| - Temperature Control bad. |
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| - However, Main Orifice would not be intermittent problem. |
30 | Impinger I |
