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READ THE ASSEMBLY DIRECTIONS AND USER GUIDE
Many times, problems can be the result of improper assembly. Reference the Assembly Directions
document to ensure the Desk is assembled correctly. If so, reference the troubleshooting steps throughout
this document.
TROUBLESHOOTING PARTS KIT
Having a spare part that is known to work will quickly lead to accurate identifi cation of faulty components.
Without this, it can be little more than guesswork.
Steelcase strongly recommends that every Dealer maintain a small kit of parts for troubleshooting purposes.
TROUBLESHOOTING STEPS
Step 1:
Check for power at the wall outlet; ensure the Desk is properly assembled, and all cables are
securely connected. Upon powering up the Desk, the Control Box will click twice to indicate
normal operation and verify that connections are properly made. If it clicks only once, or if it
clicks 3 or more times, there is a fault in the system.
Step 2:
Check all connections of Lifting Column Low-Voltage Cables. Check the connection points on
the Control Box: are any of the pins in the connectors damaged or not making contact?
(see Fig. 2 on page 6)
Step 3:
Obtain a Control Box, Digital / Preset Controller, and Power Cable that are known to work.
Caution! If the Lifting Column is assembled to a Desk, fi rst fl ip the Desk upside-down. This will allow
full and free motion of the Lifting Columns, and will prevent any further damage to them.
Step 4:
Test Lifting Columns for proper function, and replace any faulty Lifting Columns. To do this,
create a bench-testing setup using known good components, for example from your
troubleshooting parts kit. Use these known good components to test the Lifting Columns of
the suspect Desk as follows:
A. Verify the function of the bench-test setup by connecting all the known-good components,
including Lifting Columns, synchronize the Lifting Columns (see Common Procedures), and
check for proper function.
B. Disconnect power to the Control Box, and connect the Lifting Columns of the suspect Desk to
the bench-test setup. If the Lifting Columns of the suspect Desk now operate normally using the
bench-test setup, then the Lifting Columns of the suspect Desk are good. Move on to Step 5.
C. If the Lifting Columns of the suspect Desk do not operate normally, observe the error code
shown in the display of the Digital / Preset Controller of the bench-test setup. The following
error codes may indicate a fault with the Lifting Column, its Low-Voltage Cable, or the cable
connector:
1. E12 / E13 / E14: Defect on channel 1 / 2 / 3.
2. E24 / E25 / E26: Overcurrent on motor M1 / M2 / M3
3. E36 / E37 / E38: Plug detection in motor socket M1 / M2 / M3
D. Using error code E12 as an example…error code E12 may indicate a fault with the Lifting
Column plugged into channel 1 of the Control Box. To verify this, fi rst disconnect power to the
Control Box, and then swap the Lifting Column low-voltage connectors between channels
1 and 2, so that Lifting Column 1 is now plugged into 2,
and 2 is plugged into 1. Re-connect the power.
