Instruction manual

Mettler Electronics Corp. — Rev.M_11/19/14
30
calibration. repair.
E-7
Force sensor
error
The force sensor is broken,
or the rope is disconnected
from the force sensor.
Contact your local distributor for repair
E-8
Sudden or
abnormal pull
strength
The output force exceeds
the safety force level.
Press the STOP button to remove the
error. If the error cannot be removed,
please contact Mettler Electronics for
repair.
E-9
Treatment
defaults
memory error
EEPROM (Electrically
Erasable Programmable
Read-Only Memory)
reading error
Turn off the system and turn it back on.
If the problem still occurs, contact
Mettler Electronics for repair.
E-A
Motor
performance
error
Pulling or releasing takes
longer than the default
time, 50 seconds. This will
happen if the patient is
incorrectly strapped where
traction forces cannot
reach the set value.
- strap too loose.
- Patient’s body is not
positioned appropriately on
the table
- Motor not performing
correctly.
Restart the system by turning it off and
then on again. Check the straps
(lumbar/chest/cervical) to make sure
they are properly attached to the
patient.
Check the condition of traction rope.
And,
Turn on and try again.
If damaged the rope is damaged or the
E-A error persists, please contact
Mettler Electronics for repair.
*E-b*
Auto-calibration
error
*This error is for factory use only. If it
happens during operation, send back to
Mettler Electronics for repair.
E-c
Force sensor
displacement
error
The traction rope didn’t
retract completely.
The force sensor is broken.
Turn off the system and turn it back on.
Unhook the traction rope and let it
retract completely into the system. If the
error still occurs, please contact Mettler
Electronics for repair.
E-d
System memory
error
Contact Mettler Electronics for repair
service.
E-E
Display error
Turn off the system and turn it back on.
If the problem still occurs, contact
Mettler Electronics for repair service.
7.4 Troubleshooting the MTD 4000
Item Description Cause of Error Solution
1 Fail to power on.
Fuse is broken. Replace fuse.
AC Power Cord is damaged. Replace power cord.
Transformer or main control board is
damaged.
Contact Mettler Electronics
for repair service.
2
No traction output or
abnormal traction
output.
Traction rope broken or mechanical
parts broken.
Contact Mettler Electronics
for repair service.
Firmware error or calibration error.
Contact Mettler Electronics
for repair service.
3 On/off switch or push Program is still running or the traction Wait until the work is