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TROUBLESHOOTING: CAUSES AND SOLUTIONS
PROBLEM
POTENTIAL CAUSE
Desk does not go
Re-synchronize Desk
through full range
of motion
Faulty Lifting Column
Lifting Columns not
Re-synchronize Desk
synchronized (one is
higher than the other)
Faulty Lifting Column
Desk movement
Faulty Lifting Column
is not smooth;
Lifting Columns jerk
or hop while raised
lowered
Lifting Columns are not
parallel with one another,
causing them to bind
Error Code displayed
Refer to Error Code listing
on Digital Controller
reset
PROBLEM ILLUSTRATIONS
Fig. 1
- Power Cable not fully seated
in Contol Box
WRONG
CORRECT
6
POTENTIAL SOLUTION
Refer to Lifting Column synchronization procedure. (see Common
Procedures)
Test Lifting Columns per step 4 of the Troubleshooting Steps,
and replace any faulty Lifting Columns. Be sure to test all Lifting
Columns! Why? Because another Lifting Column may have the same
problem at a different height.
Refer to Lifting Column synchronization procedure.
(see Common Procedures)
Test Lifting Columns per step 4 of the Troubleshooting Steps,
and replace any faulty Lifting Columns. Be sure to test all Lifting
Columns! Why? Because another Lifting Column may have the same
problem at a different height.
Test Lifting Columns per step 4 of the Troubleshooting Steps,
and replace any faulty Lifting Columns. Be sure to test all Lifting
Columns! Why? Because another Lifting Column may have the same
problem at a different height.
First ensure that glides are properly adjusted, and the Desk is level.
Lift one side of the Desk off the fl oor and reposition so that both
Lifting Columns are parallel to each other
Follow instructions on error code listing; is Desk functioning normally
anyway? Try initializing the Control Box. (see Common Procedures)
Fig. 2
- Damaged pins in the
low-voltage wiring connectors
DAMAGED
CORRECT
Fig. 3
- Frayed/damaged Low-Voltage
Cables (damaged Lifting Column wiring
harness shown)
DAMAGED
CORRECT
Fig. 4
- Firmware version 1.9 or later
is compatible with the Digital/Preset
Controller
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