Vola Hip Hop 100, Instructions For Use Manual, Page: 5 / 12

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1.2. TROUBLESHOOTING
Mistake Possible cause and solution
Manual height adjustment does not work There is too much load or uneven load on the chair.
Try to adjust the height without sitting in the chair. If
this does not work, the gas cartridge is defective and
should be replaced. Contact your VELA supplier
The brake function does not work The brake is not activated. See section 1.9.4.
The armrest seems loose One of the screws might be loose. Tighten the screw
again
The chair rolls badly Wheels are blocked. Clean the wheels for wire residue
and the like
If the above does not solve your problem, you should contact your VELA
supplier.