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7 Troubleshooting and Maintenance
7.1
Troubleshooting
The following table shows troubleshooting steps for various scenarios.
Scenarios
ant. open displayed
Alarm LED is on
ant. short displayed
Alarm LED is on
bad time displayed
Alarm LED is on
7.2
Cleaning
Before cleaning the clock make sure that the primary voltage has been disconnected.
Should it be necessary to clean the exterior of the clock, use only a dry cloth.
To avoid damages to the electrostatically sensitive electronic parts, no cleaning of internal parts should be
performed.
Possible causes
▪ No antenna connected
▪ Antenna cable defective
▪ Surge arrester defective
▪ Wrong antenna connected
▪ Short-circuit in antenna cable or connector
▪ Antenna cable defective
▪ Surge arrester defective
▪ Wrong antenna connected
▪ Poor antenna location
Table 33: Troubleshooting scenarios
53
Kronos Series 3
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