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Condition:
Burner starts then locks out on safety with indicator light flashing at 1 Hz rate
('2 second on, % second off)
Procedure
Status
Corrective Action
Check cad cell sighting for
view of flame
Disconnect line voltage power
and open line switch.
Unplug cad cell and clean cad
cell face with soft clothe.
Check sighting for clear view of
flame. Replace cad cell in
socket.
Reconnect line voltage power
and close line switch.
Start burner.
Burner locks out.
Go to step 10.
Burner keeps running
System is OK.
Burner keeps running.
System is OK.
Check cad cell.
Disconnect line voltage power
and open line switch.
Remove existing cad cell and
replace with new cad cell.
Disconnect all wires from
thermostat terminals to ensure
that there is no call for heat.
Reconnect line voltage power
and close line switch.
Expose new cad cell to bright
light such as a flashlight.
Indicator light is on.
Remount control onto burner housing. Go to step 6.
Indicator light is off.
Go to step 11.
Check cad cell bracket
assembly.
Disconnect line voltage power
and open line switch.
Remove cad cell wires from
quick connect connectors on
and leave control lead wires
open.
Apply power to device.
Place jumper across cad cell
terminals after burner motor
turns on.
Indicator light is on.
Replace cad cell bracket assembly.
Indicator light is off.
Replace the oil primary control.
NOTE:
Restricted Mode - (Limited Reset): In order to limit the accumulation of unburned oil in the combustion chamber, the control can be reset
only 3 times, after which, the control locks out. The reset count returns to zero each time a call for heat is successfully completed.
To reset from RESTRICTED MODE: press and hold the reset button for 30 seconds. When the LED flashes twice, the device has reset.
NOTE:
Disable function: Pressing and holding the reset button will disable all functions until the button is released. The burner will restart at the
beginning of the normal heat cycle on SAFETY CHECK.
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