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21January2021/Version 0
LEM International SA
Chemin des Aulx 8
1228 PLAN-LES-OUATES Switzerland
www.lem.com
True Nominal N/A
False
Time synchronization
expired: last valid
synchronization is
older than 48 hours
1. In command synchronization mode, achieve a new synchronization
2. In NTP synchronization mode, check the settings, as well as network access to the NTP
servers
3. Refer to section "5.8.1. Time synchronization"
False Nominal N/A
True
Over-temperature was
detected by the Sensor
Unit
1. Temperature shall be lowered with no delay, risking damage to the device and the infrastructure
2. Check cabling issues, loosened bolts, over-conned architecture, insucient ventilation...
False Nominal N/A
True
Reversed voltage is
seen by the Sensor
Unit
1. The Sensor Unit sees voltage with a wrong sign. Voltage input wires shall be inverted and the
DCBM restarted
2. Refer to section "5.2. Integration solutions"
False Nominal N/A
True
An error occurred in
Sensor Unit ADC
1. EMC surge may have occurred. Make sure to use a ferrite as recommended (refer to "5.2.
Integration solutions"), check for other possible EMC interferences and limit them
2. Restart the DCBM
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