Viking FCU150 Service Manual page 36

36
Troubleshooting Table (Continued)
Problem
Compactor stops during operation.
Compaction cycle repeats without
pressing START.
After pressing START and closing
the door, ram reverses direction
repeatedly for 3 seconds and shuts
off.
Ram runs down for 3 seconds and
motor stops.
Motor hums after ram returns to the
up position.
Ram continues to run with the door
open.
Ram runs down and doesn't return
up. Motor hums after reaching the
bottom position.
Ram runs down and stops (operates
as it would in AUTO DELAY compact
mode).
Trash compactor noise level
increases during operation.
NOTE: Due to the number of moving
components, it is expected that
operating noise may increase over
the life of the product.
Section E – Troubleshooting
Possible Cause
1. Uneven load may cause trash
bucket to shift forward opening
the door.
2. Uneven load may cause ram to
wedge in trash basket.
Control board defective.
1. Lower limit switch defective.
2. Centrifugal switch defective.
1. Defective upper limit switch
assembly.
2. Defective centrifugal switch.
Defective upper limit switch
assembly.
Defective interlock switch.
Defective upper limit switch
assembly.
Control board defective.
1. Worn or damaged drive
components.
2. Lack of lubrication on moving
components.
Correction
1. Gently push the door closed
until the door actuator engages
the interlock switch. This will
activate the ram until it returns
to the up position. Open trash
bucket and reposition any
objects that may be causing the
uneven load.
2. It may be necessary to remove
cabinet and reverse screw
assemblies manually.
Replace control board or complete
display module assembly.
1. Replace lower limit switch.
2. Replace centrifugal switch
assembly.
1. Replace upper limit switch
assembly.
2. Replace centrifugal switch
assembly.
Replace upper limit switch assembly.
Replace interlock switch assembly.
Replace upper limit switch assembly.
Replace control board or complete
display module assembly.
1. Inspect power mechanism
and replace damaged or worn
components.
2. Inspect power mechanism
and regrease components on
mechanism as necessary. It
is recommended to use high
quality wheel bearing grease.