Plinth 503C, User Manual, Page: 12 / 16

Podiatry Chair User Manual
12 | P a g e
6. Troubleshooting
In the unlikely event of the chair failing to operate and having carried out the normal
practical fault finding steps below then please contact our Customer Service Team
on +44 (0)1449 767887 or email customerservice@plinthMedical.com.
Please have
the serial number to hand before making contact so we can help you more
efficiently.
Fault Possible Cause Remedy
Chair is unstable Uneven floor
Adjustable foot
Move chair to flat floor
Check presence, condition
and adjustment of foot
All motors will not work
(503C or 503CD the
only motor will not
work) Power disconnected
Fuse Blown
Hand/ Footswitch
disconnected Connect power supply
Replace fuse in plug
Check the switch is fully
connected to the motor
One motor will not
work but others
working (503CT
503CDT) Lead from height
motor/control box not
connected to slave motor
Fault with switch
Fault with control box
Fault with motor Check and connect all leads
Replace switch
Replace control box
Replace motor
Motor sinks Switch permanently
operated
Motor fault Unplug and re-connect
switch
Replace motor
Backrest or leg rest will
not work (manual
versions) Gas spring incorrectly
adjusted (not being
triggered)
Gas spring faulty Rotate gas spring until the
pin is just in contact with the
lever (2-3mm play required)
Replace gas spring
Backrest or leg rest
sinks under load
(manual versions) Gas spring incorrectly
adjusted (permanently
triggered) Rotate gas spring until the
pin is just in contact with the
lever (2-3mm play required)
Armrests slip or are
loose Locking thumbwheels not
correctly tightened
Thumbwheels damaged from
over tightening Correctly tighten locking
thumbwheels
Replace thumbwheels