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Troubleshooting
Error/display
Control box error/contact service
Check cable and reconnect!
control box mismatch,
SW version: OK
No readable text displays on handset, but indicator
lights are functioning.
No display messages on the handset.
28
Cause
Error in control unit.
No connection between handset and control unit.
Control unit and handset have different software ver-
sions.
Temperature of the handset too low.
No connection between handset and control unit.
Remedy
Switch the ignition off and on, and repeat the test. If
the error message reappears: call an authorized
Dräger Interlock service centre.
Check the plugs of the connecting cable and recon-
nect to the handset and control unit. If the error mes-
sage reappears: call an authorized Dräger Interlock
service centre.
After confirming with the OK button, the software ver-
sions can be viewed (e.g. Rev. 1.9). Call an autho-
rized Dräger Interlock service centre.
Perform test as usual guided by the indicator lights.
Detach handset and take it to a place with a moder-
ate temperature. Connect handset again.
Check plugs of the connecting cable, disconnect
plug from handset and reconnect again.
If nothing is displayed once again: call an authorized
Dräger Interlock service centre.
Instructions for use
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Dräger Interlock
®
7x00 DVI
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