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Alarm messages
iso685-D-B_D00177_05_M_XXEN/07.2017
58
Disturbance ISOnet
General fault at ISOnet, which is not covered by
"Num.ISOnet devices" and "Failure address". For example,
sending messages can fail or another device cannot proc-
ess a message.
• Check Ethernet connection
• Check device function
• Switch OFF and switch ON the power supply
“System isolation via
ISOnet” on page 50
DC offset voltage
There is a DC offset voltage in the system.
• Check insulation fault and eliminate fault of DC components.
Undervoltage
Operating outside the specified supply voltage range
• Check supply voltage
Overvoltage
Operating outside the specified supply voltage range
• Check supply voltage
Alarm message
Description
Measures
Reference
LED indicators