www.factorybuysdirect.com
9
160942-01A
TROUBLESHOOTING
WARNING: High voltage! Unplug heater before servicing.
FAULT CONDITION
POSSIBLE CAUSE
REMEDY
Heater ignites but ignition
control assembly shuts heater
off after a short period of time.
1. Pump pressure incorrect.
2. Dirty air intake, air output,
and/or lint filter.
3. Dirty fuel filter.
4. Obstruction in nozzle.
5. Photocell assembly not
properly installed (not see-
ing the flame).
6. Dirty photocell lens.
7. Bad electrical connection
between photocell and
ignition control assembly.
8. Defective photocell.
9. Defective ignition control
assembly.
1. See
Pump Pressure Ad-
justment
, page 11.
2. See
Air Output, Air Intake,
and Lint Filters
, page 10.
3. See
Fuel Filter
, page 11.
4. See
Nozzle Assembly
,
page 13.
5. Make sure photocell boot is
properly seated in bracket.
6. Clean photocell lens.
7. Check electrical connec-
tions. See
Wiring Diagram
,
page 15.
8. Replace photocell.
9. Replace ignition control as-
sembly. See
Ignition Control
Assembly
, page 13.
SERVICE PROCEDURES
Figure 5 - Upper Shell Removal
WARNING: To avoid risk of
burn and electrical shock, never
attempt to service heater while it
is plugged in, operating, or hot.
UPPER SHELL REMOVAL
1. Remove screws along each side of heater
using 5/16" nut-driver. These screws at-
tach upper and lower shells together. See
Figure 5.
2. Lift upper shell off.
3. Remove fan guard.