Service manual P9-0270-S
26 of 78
Version 2.0.2/2012
Medema Production A/S
Trouble
Possible causes
Remedy
Charging lamp
is not lit when
the charger is
connected to an
outlet.
No power at outlet.
Error in the cable.
Errors in the charger.
Turn on the switch.
Please read the supplied user
manual for the charger.
Contact supplier.
The ready lamp on
the charger does
not light up even
though the charger
has been on for 12
hours.
There has been a power
cut.
The charger is doing a
top-up charge.
There is a problem with
the batteries.
There is a fault in the
charging plug for the MC
Concept.
Reconnect the charger and
repeat the charging process.
Check again after half an hour.
Contact supplier.
Push the charging plug all the
way in and repeat the charging
process.
The ready lamp on
the charger lights
up even when partly
discharged batteries
are connected.
The fuse in the charger
has blown.
The switch in the charging
plug is malfunctioning
Contact supplier.
Contact supplier.
The charging lamp
indicates a fault.
The charging plug has not
been inserted.
or there is a mains fault.
Push the charger plug in.
Contact supplier.
Status light fl ashes
with 5 fl ashes per
cycle.
The MC Concept is
disengaged when it
starts.
Switch off the chair and activate
the parking brake.
Status light fl ashes
with 7 fl ashes per
cycle.
The batteries need
charging.
Start charging
Status light fl ashes
with 2 fl ashes per
cycle and the MC
Concept runs at half
speed.
The MC Concept may be
fi tted with a speed limiter
that halves the speed
when the seat is raised.
This is not a fault.
No action - not a fault.
The MC Concept
runs at half speed
or not at all.
The seat is raised above
its lowest position.
The seat is not raised.
No action - not a fault.
If the cause is not a raised seat,
this may be a serious fault.
Contact a competent service
engineer as soon as possible.
(HMC or therapist).
If the above mentioned suggestions don’t work, please contact
your supplier.
