NORDAC LINK (SK 155E-FDS / SK 175E-FDS) – Users Manual for Motor Starters as Field Distributors
94 BU 0155 en-3520
6 Operating status messages
The device and technology units generate appropriate messages if they deviate from their normal
operating status. There is a differentiation between warning and error messages. If the device is in the
status "Start disabled", the reason for this can also be displayed.
The messages generated for the device are displayed in the corresponding array of parameter (P700).
The display of the messages for technology units is described in the respective additional instructions
and data sheets for the modules concerned.
Start disabled, “Not Ready” (P700 [-03])
If the device is in the status "Not Ready" or "Start Disabled", the reason for this is indicated in the third
array element of parameter (P700).
Display is only possible with the NORD CON software or the ParameterBox.
Warning messages (P700 [-02])
Warning messages are generated as soon as a defined limit is reached. However this does not cause
the frequency inverter to switch off. These messages can be displayed via the array-element [-02] in
parameter (P700) until either the reason for the warning is no longer present or the frequency inverter
has gone into a fault state with an error message.
Error messages (P700 [-01])
Errors cause the device to switch off, in order to prevent a device fault.
The following options are available to reset a fault (acknowledge):
• Switching the mains off and on again,
• By an appropriately programmed digital input (P420),
• By switching off the “enable” on the device (if no digital input is programmed for
acknowledgement),
• By Bus acknowledgement
6.1 Display of messages
LED indicators
The device status is indicated by an externally visible “FI status” LED ( Section 3 "Display,
operation and options").
SimpleBox Display
The SimpleBox displays an error with its number and the prefix "E". In addition, the present fault can
be displayed in array element [-01] of parameter (P700). The last error messages are stored in
parameter (P701). Further information about the frequency inverter status at the moment of the fault
can be obtained from parameters (P702) to (P706) / (P799)
If the cause of the error is no longer present, the error display in the SimpleBox flashes and the error
can be acknowledged with the Enter key.
In contrast, warning messages are prefixed with "C" ("Cxxx") and cannot be acknowledged. They
disappear automatically when the reason for them is no longer present or the frequency inverter has
switched to the "Error" state. Display of the message is suppressed if the warning appears during
parameterisation.
The present warning message can be displayed in detail at any time in array element [-02] of
parameter (P700).
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