B&C Technologies DI-475 Industrial - Manual (Page 41)

1. Fault in microprocessor temperature sensor
a. Failed microprocessor temperature sensor
b. Blown “dSFL” 1/8-amp fuse on the microprocessor controller (computer)
c. Failed microprocessor controller (computer)
d. Broken wire or connection somewhere between the microprocessor controller
(computer) and the microprocessor temperature sensor
K. Microprocessor controller (computer) display reads “door” and the microprocessor
controller “DOOR” L.E.D. indicator is off…
1. Fault (open circuit) in main door/lint drawer switch circuit
a. Lint drawer not closed all the way
b. Lint drawer switch is out of proper adjustment
c. Failed lint drawer switch
d. One (1) of the main door switches has filed
e. One (1) of the main door switches contact magnets is either missing or broken
f. Failed door switch relay
g. Broken wire/connection in main door or lint drawer switch circuit
2. Failed 24 VAC step down transformer
3. Drive and/or blower (impeller/fan) motor thermal overload reset has tripped
4. Blown 24 VAC control circuit fuse (fuse3)
L. Microprocessor controller (computer) L.E.D. display reads “door” and the
microprocessor controller “DOOR” L.E.D. indicator is on…
1. Failed microprocessor controller (computer)
M. Microprocessor controller (computer) will not accept any keyboard (touchad)
entries, i.e., display reads “FILL” and when keyboard (touchpad) entries are
selected, the display continues to read “FILL”…
1. Failed keyboard label (touchpad) assembly
2. Failed microprocessor controller (computer)