SYMPTOM PROCEDURE
System will move down but not up 1. Initialize (P1)
System unresponsive (no power to display
with any button is pressed). If any of these
steps activates the digital display, initialize
the system (P1).
1. Check mains cable connection
2. Test power outlet using another device (lamp, phone charger, etc.)
3. Plug in a new switch and test
4. Connect all existing cables to a new control box and test
SYMPTOM 1. PROCEDURE
System is powered, but will not initialize 1. Try pressing and releasing the down button a few times
before pressing and holding for 5 seconds.
2. Also, be aware if the control box has a special conguration: If the desk
is programmed with a lower stroke limit, so as to avoid a collision with
something like a le cabinet, it is possible that it also has a custom, longer
Forced Initialization Time. This is the time required to hold Down before
initialization begins. Sometimes this is 10 seconds or longer.
3. If you have a standard control box without a special conguration (i.e. “Plug
& Play”), try to initialize each leg in Channel 1 by itself, with nothing else
plugged into the motor channels on the control box. Also, swap the motor
cables so that a different motor cable is used to initialize Channel 1 by
itself. The problem could be a faulty desk leg or a faulty motor cable.
Channel-specic error (Ex: E41 – Channel
1 overload) – Everything except Piezo
errors (E59-E63)
1. Swap the motor cable connections at the control box (Motor cable #1 from
channel 1 to 2, motor cable #2 from channel 2 to 1). If It remains E41, there
could be a problem with the application (load or obstruction on one side)
or a bad control box. If the error changes to E42, go to step P4-3-b.
2. Swap the motor cable connections at the desk legs, so that the leg that was
originally connected to Channel 1 is back in Channel 1, but with the motor
cable that was originally connected to Channel 2. If it remains E42, it is
most likely a bad motor cable, now connected to Channel 2. If it goes back
to E41, it is most likely a bad desk leg, now connected to Channel 1.
Desk is uneven 1. Initialize the desk. If both legs begin to run down, complete the
initialization. If only one leg moves, stop and move to Step 2.
2. Check motor cable connections. Check to ensure motor cables are not pulled during
movement. With a standard, Plug & Play control box, it’s possible that only one leg is
connected, and connected to Channel 1. In this case, it will initialize and run Channel
1 only. If there is only one leg but it’s connected to Channel 2, it will not initialize.
3. If a motor cable was disconnected, try initializing again.
4. If unsuccessful, connect the desk leg from Channel 2 into Channel
1, with nothing in Channel 2, and initialize.
5. Try initializing the same leg that’s in Channel 1, but with a different
motor cable. If it still won’t initialize, replace the desk leg.
Basic Troubleshooting Guide
Height Adjustable Table – User Guide | October 2019 11
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