9 Maintenance and Troubleshooting
9.1 Cleaning and Disinfection
9.1.1 Cleaning of appartus
To clean the unit, turn it off and unplug the power supply. Clean the unit with a damp cloth. Do not use
abrasive cleaners. A small amount of mild household detergent may be used, if needed.
9.1.2 Cleaning display panel
The display panel has an anti-reflection coating and should be cleaned carefully.
Use a soft and dry cotton cloth or micro fiber tissue to clean the panel. To remove fingerprints or grease,
use a non-abrasive glass cleaning agent. Apply a small amount of the cleaning agent to a soft cotton
cloth and then carefully clean the panel.
CAUTION:
• Do not spray the cleaning agent directly on the glass panel.
• Do not use cleaning agents that contain strong alkalis, lye, acid, detergents with fluoride or
detergents with ammonia.
9.2 Warning Messages, Error Messages and Troubleshooting
9.2.1 Self-test
When the apparatus is turned on, it will first execute a self-test. When an error is detected (this being
during the self-test as well as during normal operation), a pop-up screen will appear on the display. When
the error is displayed, all outputs will be disabled. When this situation occurs, remove all cables and
switch the apparatus off and switch it on again. When the error re-appears, stop using the device and
contact your supplier
9.2.2 Patient stop switch
The patient stop switch must be connected to socket [7]. Treatment cannot start unless the patient stop
switch is connected.
The switch should be handed to the patient and its use should be explained.
Make sure the stop switch can be used by the patient during the whole treatment. If it is pressed during
treatment, the traction force will be reduced to the minimum of 15 N at the maximum change over speed.
At the same time a buzzer will sound.
9.2.3 Threshold cervical traction
For cervical traction forces greater than 200 Newton are not suitable. When setting the traction force a
warning will be issued when exceeding this limit. To ensure safe use, a force higher than 200 Newton can
be selected only in case it is confirmed this force will not be applied with cervical traction.
9.3 Technical Maintenance
Electrical safety of the device relies on a properly earthed electrical connection via the power cord. It is
therefore necessary to have this connection checked annually.
To ensure continued compliance standard, this unit should be adjusted and safety tested once each year.
Procedures laid down in the service manual should be followed. This may be carried out by your supplier,
or by another agency, authorized by the manufacturer. It is also recommended that a service history
record is maintained. In some countries this is even obligatory.
On request a service manual can be made available containing: spare part list, descriptions, calibration
instructions and other information which will assist the user’s qualified technical personnel to repair those
parts of the equipment which are designated by the manufacturer as repairable.
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