Service manual P9-0270-S
28 of 78
Version 2.0.2/2012
Medema Production A/S
Diagnosing and Troubleshooting
Any error in the DX management system will make the indicator
at the joystick fl ash. The way it fl ashes, is a code that refers to
an error as shown in the table below.
Number
of
fl ashes
Errors
The chair
stops
(note 1)
Transient
errors
(note 2)
Slow
function
(note 3)
1
DX module fault
Depends on
the module’s
origin
Depends on the
error
If PM or UCM
then error in
the EPROM
2
DX accessories error
Depends on
the error
Depends on the
error
No
3
Left (M1) engine
error.
Yes
Yes
No
4
Right (M2) engine
error
Yes
Yes
No
5
Left (M1) parking
brake error
Yes
Yes
No
6
Right (M2) parking
brake error
Yes Yes
No
7
Low battery voltage
Yes
No
No
8
High battery voltage
Yes
No
No
9
Cable Fault
Yes
No
Yes
10
Cable Fault
Yes
Yes
Yes
11
Stops
Yes
Yes
No
12
Wrong composition
of modules
Yes
Yes
No
Note 1
Errors which have effect on the chair’s safety will be the chair
to stop, while less critical errors will be indicated but allow the
continuous movement of the chair.
Note 2
Some errors will automatically disappear when the error cause is
removed. In such cases, the ”power” LED light up constantly, and
the chair can be run normally. Others should be deleted (latched).
Pressing the button to the error indicator disappears. Wait 2 sec.
and it works best once again.
Note 3
Relationship Left and Right refer to the engine’s parking brake
when the engine alignment is set to ”No”. Motor end labeled M1
and M2.
