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a. Motor air vents clogged with lint.
b. Low voltage to motor.
c. Failed motor.
d. Failed blower (impellor/fan) is out of balance.
G. Both drive motor and blower (impellor/fan) motor (Reversing Models only) are not operating
(does not start)...microprocessor controller (computer) motor indicator dots and relay output
light emitting diode (L.E.D.) indicators are on...
1. Failed arc suppressor (A.S.) board.
2. Failed contactors (both blower [impellor/fan] motor and drive motor).
3. Failed motors (both blower [impellor/fan] motor and drive motor).
H. Both drive motor and blower (impellor/fan) motor (Reversing Models only) are not operating
(does not start)...microprocessor controller (computer) L.E.D. motor indicator dots and the “door”
L.E.D. indicator are on but the relay output L.E.D. indicators are off (microprocessor controller
[computer] L.E.D. display does not read “door”)...
1. Failed microprocessor controller (computer).
I. Both drive motor and blower (impellor/fan) motor run a few minutes and stop...microprocessor
controller (computer) L.E.D. display continue to read time or percent of extraction and ALL
indicator dots are off...
1. Fault in main door switch circuit...
a. Main door switch circuit is out of adjustment.
b. Loose connection in main door switch circuit.
J. Microprocessor controller (computer) L.E.D. display reads “dSFL” continuously and the buzzer
(tone) sounds every 30-seconds...
1. Fault in microprocessor heat sensing circuit...
a. Blown “dSFL” 1/8-Amp fuse on the microprocessor controller (computer).
b. Failed microprocessor temperature sensor.
c. Failed microprocessor controller (computer).
d. Broken wire or connection somewhere between the microprocessor controller (computer) and the
microprocessor temperature sensor.