ABB Zenith ZBTS T Series, Installation And Operating Instruction, Page: 56 / 112

56 Zenith ZBTS T-series 100-1200A, I N S TA LL ATI O N A N D O PER ATI N G I N S TR U C TI O N
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5.2 Warnings
Message Reason
S1 and S2 not in sync Voltage sources are not synchronized
Voltage Not Calibrated Calibration data in power module is invalid or unavailable
Current Not Calibrated Calibration data in current measurement module is invalid or unavailable
Pole temperature warning Measured pole temperature is near the alarm level
Control Retry Failed transfer sequence retry activated
Auto Control Disabled Device is in manual operating mode
Local Bus Module heartbeat error.
Check connection. Can be cleared using "Alarm Reset".
Configuration Configuration session ports are open
Clock capacitor charging Real time clock is not yet operational, date & time setting is disabled as
long as this warning is active. Clock capacitor is charged from source
voltage (not AUX) and takes about 10 minutes
Generator failed to start Generator has not been started within 1 minute after sending start
signal or it has failed during any test sequence
Contact wear warning Contact wear is at 90% and will need maintenance soon
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Table 5.2 Warnings -list in ATS and Bypass