B&C Technologies DI-475 Industrial - Manual (Page 39)

1. Failed microprocessor controller (computer)
C. Drive motor operates in one direction only…stops and restarts in same
* Appropriate microprocessor controller (computer) relay output indicator is on
1. Failed revering contactor (relay)
* Appropriate microprocessor controller (computer) relay output indicator is off
1. Failed microprocessor contactor (computer)
D. Drive motor operates okay for a few minutes and then either repeatedly or
Occasionally trips the overload protector…
NOTE: WHEN THE OVERLOAD PROTECTOR TRIPS. THE MICROPROCESSOR
CONTROLLER (COMPUTER) L.E.D. DISPLAY WIL READ “door”
1. Motor is overheating
a. Motor air vents clogged with lint
b. Low voltage to motor
c. Failed motor
d. Basket (tumbler) is binding…check for an obstruction
e. Failed idler bearings or tumbler bearings
f. Sprocket and V-belts are too tight
2. Failed overload protector
E. Impeller/fan motor not operating (does not start)
* Microprocessor controller (computer) “MTR” relay output indicator is on
1. Blown blower (impeller/fan) motor contactor fuse (s)
2. Failed blower (impeller/fan) motor contactor (relay)
3. Failed blower (impeller/fan) motor
*Microprocessor controller (computer) “MTR” relay output indicator is off
1. Failed microprocessor controller (computer)
F. Blower (impeller/fan) motor operates okay for a few minutes and than either
Repeatedly or occasionally trips the overload protector…