173
Maintenance and troubleshooting
Type 8098
19.8.5
Message "Battery voltage is below the warning limit"
Message
Battery voltage is below the warning limit
Symbol displayed
Possible cause
The voltage of the battery is under the low limit value. See chpt.
The battery allows the internal clock to run for 7 days at ambient tem-
perature when the power supply of the device is switched off or too low.
What to do?
→
Energize the device with a 12 – 35 V DC voltage to load the battery.
As soon as the battery voltage value returns to within the permitted range,
the warning is automatically reset.
19.8.6
Message "büS event: bus connection lost / not available"
Message
büS event: bus connection lost / not available
Symbol displayed
Possible cause
The device is configured to send the measured process data to büS or to a
CANopen fieldbus but does not find any other network participant.
What to do?
→
Set the
Bus mode
to
Standalone
. See chpt.
19.8.7
Message "Overtemperature detected"
Message
Overtemperature detected
Symbol displayed
Possible cause
The internal temperature of the device is higher than the permitted
maximum error value (+85 °C). See chpt.
10.7 Monitoring the device supply
voltage or the device temperature.
What to do?
→
Make sure the internal temperature of the device is less than +85 °C.
As soon as the internal temperature value returns to within the permitted
range, the error is automatically reset.
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