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All installations and services must be performed by qualified service personnel.
36
While ignition electrodes
are sparking does fuel
valve open?
No
Yes
Yes
Yes
Check wiring to fuel valve.
If valve does not open,
replace fuel valve.
Yes
No
No
NoAfter pre-purge, does the
oil primary produce a
spark at the
ignition electrodes?
Is there 120 VAC across
the ignition transformer?
Try resetting the oil primary
control by depressing the
RESET button. Check cad cell
function. If all else fails,
replace the oil primary.
Check wiring to the ignition transformer and the
electrodes. Also, check ignition
electrode gap. Reset if necessary.
Replace electrodes or ignition transformer.
Does the oil solenoid
valve have 120 VAC across it
during the ignition attempt?
Try resetting the oil primary control
by depressing the RESET button.
If this does not work, replace the
oil primary.