Yaasa Desk Four Troubleshooting Manual Download Page 5

5

The power unit or control system 

is not working

The power supply cable is not 

connected

Electronic control system faulty

Hand switch faulty 

The resting period was not upheld

Contact with liquids

Plug the power supply cable into 

a socket

Contact customer service

Contact customer service

The desk can be used again after 

an 18-minute resting period

Contact customer service

The desk wobbles

The retaining screws are not 

tightened

Levelling feet are not positioned 

evenly

Tighten the screws with the tools 

provided or using a portable  

electric drill

Adjust the levelling feet in such a 

way that they both touch the floor 

evenly

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