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