k.stand Height-Adjustable Table Standard Electric and Extended Electric—Stroke 650/470 User Manual 13 ©Knoll, Inc.
4.1 Cleaning, Inspection and
Storage
Clean the table frame by wiping it down with a microfiber
cloth. Never use solvent or abrasive or corrosive
compounds.
Products must be cleaned at regular intervals to remove
dust and dirt and inspected for mechanical damage and
normal wear and tear. Worn-out parts must be replaced.
Unplug the power cord if you do not intend to use the
desk for a prolonged period of time.
4.2 User Maintenance
Products are closed units and require no internal
maintenance.
Columns must be inspected at attachment points, wires,
piston rod, cabinet, and plugs, check that columns
function correctly.
• Inspect columns for loose connections and
damaged plugs/wires.
• Inspect power supply for loose connections and
damaged plugs/wires.
• The power supply and the handset is sealed and
maintenance free.
4.3 Repairs
Check all screws and bolts after the first week of use
and tighten screws and bolts where necessary to ensure
safe operation of the table.
If the table cannot be raised or lowered, check the cable
connection between:
• the power supply and the outlet.
• the power supply and the control unit / ECS+.
• the handset and the control unit / ECS+.
• the columns/motors and the control unit /ECS+.
If the table still is not operational, the control system may
have triggered the overheating or duty cycle protection.
Unplug the power cable and wait for at least 9 minutes
and try again before proceeding.
If a control unit is replaced, a manual reset is required.
Follow these steps as section 3.2.
If the table is still not operational, please contact your
vendor for further assistance.
The control system is equipped with safety features; the
intermittency function and the overheating protection
and memory function
Overheat protection – The table will become
inoperable if the overheating protection is triggered and
will return to operation automatically once the heat has
dissipated sufficiently.
If heavy loaded and driven continuously for a long period
of time the motor might get very hot. The software
observes this and if overheated system will shut down
and you will have to wait about 9 minutes before being
able to run again.
Memory function – The control system / ECS+ (each
column) will retain information regarding the elevation of
the table at all times. This information will remain stored
even in case of power failure or if the power cable is
disconnected from the power outlet.
4 Maintenance & Repairs
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