240005126 Rev A 10/27/2005
23
Condition: Burner starts then locks out on safety with indicator light flashing at 1 Hz rate
(½ second on, ½ second off)
Procedure
Status
Corrective Action
Burner locks out.
Go to step 10.
Burner keeps running
System is OK.
9.
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 keeps running.
System is OK.
Indicator light is on.
Remount control onto burner housing. Go to step 6.
10. 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 off.
Go to step 11.
Indicator light is on.
Replace cad cell bracket assembly.
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 off.
Replace R7184.
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.
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
.
