Blodgett MT2136 Series, Руководство по обслуживанию и ремонту

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MT2136
5-1
DC DRIVE SYSTEM
POSSIBLE CAUSE(S) SUGGESTED REMEDY
Symptom #1 - Belt does not move (standard controls)
Conveyor switch is turned off.
Armature fuse on Bodine board is blown.
Line fuse on Bodine board is blown.
DC motor is leaking oil.
Motor ohms out higher then 162 W .
Motor ohms out lower then 100 W .
Brushes worn.
Control fuses blown.
Potentiometer does not ohm out correctly, 10k W .
Turn switch to on.
Ohm this fuse out to determine if blown. If necesĆ
sary, replace with 250 milliamp fuse. Determine
the amp draw of the motor.
Replace with 5 amp fuse.
Replace motor.
Replace motor.
Replace motor.
Replace brushes.
Check wiring going from the front control panel
to the burner compartment for damage.
Replace potentiometer.
Symptom #2 - Belt does not move (computer controls)
Oven in OFF mode.
Loose computer controller cord connection.
Time not programmed into computer.
Emergency stop switch on OFF.
Control circuit breaker tripped.
Belt hooked on something in oven.
5 amp line fuse blown.
200 milliamp armature fuse blown.
Hall Effect Pickup not connected. (Closed loop
systems only)
Motor brushes worn out.
Defective conveyor drive motor.
Defective conveyor drive motor controller.
Wire from pickup open or misplaced.
DAC defective.
9 or 25 pin cable defective.
Belt speed relay defective.
Turn to ON position.
Adjust and retighten cables and set screws.
Program in a cook time. See Operation Section
(page 3-4).
Pull switch out to ON.
Reset breaker.
Turn oven OFF, unhook and repair problem.
Replace fuse. Determine amp draw.
Replace fuse. Determine amp draw.
Verify the unit is set for a single pulse pickup. If
not, reset for a single pulse pickup. If yes reattach
the pickup.
Replace brushes.
Replace conveyor drive motor.
Replace conveyor drive motor controller.
Repair or replace wire.
Replace computer.
Replace cables.
Replace relay.