Wiring Diagram; Troubleshooting Guide - Craftsman CMXEHAP80TKFA Manuel D'instructions

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at 1-888-331-4569.
PROBlEM
Heater ignites, but main PCB shuts off after a
short period of time. Lamp flickers and LED
display shows "E1".
Heater will not operate or motor runs for a
short time. Lamp flickers and LED display
shows "E1".
6

WIRING DIAGRAM

TROUBLESHOOTING GUIDE

BE sURE TO FOllOW sAFETY RUlEs AnD insTRUCTiOns
POssiBlE CAUsE
1. Incorrect pump pressure.
2. Dirty input, output or lint filter.
3. Dirty fuel filter.
4. Nozzle is dirty.
5. Photocell lens is dirty.
6. Photocell not installed properly.
7. Photocell is defective.
8. Improper electrical connection between main PCB
and photocell.
9. Improper location of thermister sensor.
10. Improper electrical connection within the
temperature limit switch
1 . No kerosene in the fuel tank.
2 . Incorrect pump pressure.
3 . Corroded spark plug or incorrect plug gap.
4 . Dirty fuel filter.
5 . Dirty nozzle.
6 . Moisture in fuel tank.
7 . Improper electrical connection between transformer
and circuit board.
8 . Ignitor wire not connected to spark plug.
9 . Defective ignitor.
10 . Improper spacing with rotor
sOlUTiOn
1 . Adjust pump pressure.
2 . Clean / replace air or lint filter.
3 . Clean / replace fuel filter.
4 . Clean / replace Nozzle.
5 . Clean / replace photocell.
6 . Adjust photocell position
7 . Replace photocell
8 . Check wiring connections
(see wiring diagram).
9 . Check thermister placement
10 . Replace temperature limit switch
1 . Fill tank with fresh kerosene.
2 . Adjust pump pressure.
3 . Clean / replace spark plug.
4 . Clean / replace fuel filter.
5 . Clean / replace nozzle.
6 . Rinse fuel tank with clean, fresh kerosene.
7 . Inspect all electrical connections (see
wiring diagram).
8 . Re-attach ignitor wire to spark plug.
9 . Replace ignitor.
10 . Adjust rotor