Walker Magnetics SMART-D SERIES - Manual (Page 22)

O.S. WALKER Co., Inc. SMART-D Control
SMART D MANUAL DD14511L Rev. L, March 30, 2011
5-1
5 MAINTENANCE & TROUBLESHOOTING
5.1 Inspection & Maintenance
• Check the physical condition of the power cords, indicating lamps, switches and the
control enclosure. If any indications of damage are observed, contact your supervisor.
• Check the integrity of the enclosure by inspecting for dust, debris and fluid.
• Keep the outside of the enclosure free of dust and debris.
5.2 Having a Problem with your Chuck Control?
Problem Probable Cause Solution
BEFORE PROCEEDING, DE-ENERGIZE THE
CONTROL UNIT.
a) Verify the chuck power rating does not
exceed the control's power rating.
b) Disconnect the chuck from the control unit
and verify that the chuck's coil windings are
not shorted.
c) Repair/replace where required.
d) With the load disconnected, re-energize
equipment and cycle through all operating
modes, verifying proper operation.
e) Repeat step d. with the load reconnected.
1. All the remote
unit lights are
flashing
The load is drawing
excessive current and
the control unit has
protected itself by
disabling all operating
modes.
f) Having successfully completed the above
and unit does not function properly, contact
O.S. Walker, Inc.
a) Verify the input voltage to the control unit
(see Installation section 3).
BEFORE PROCEEDING, DE-ENERGIZE THE
CONTROL UNIT.
b) Verify that all fuses are good (see Standard
Interface Diagram section Error! Reference
source not found. for location). Use only
exact replacement fuses to avoid damaging
unit or causing a safety hazard.
c) Verify the wiring between the control unit
and the remote unit (see Standard Interface
Diagram section Error! Reference source
not found.).
2. None of the
control unit lights
are illuminated
and it does not
respond to any
operating mode
Input voltage is too low
or wired incorrectly.
Remote unit is not
properly wired.
d) Having successfully completed the above
and the unit does not function properly,
contact O.S. Walker, Inc.