11
TROUBLESHOOTING
This chapter describes problems that might be encountered, their causes, and
possible methods for eliminating them. It is intended as a general orientation
only, and in cases of doubt it is better to return the P631 to the manufacturer.
Please follow the packaging instructions in
when returning
equipment to the manufacturer.
Warning!
⚫
Only qualified personnel, familiar with the “Warning” page at the beginning of
this manual, may work on or operate this device.
Warning!
⚫
Before checking further, disconnect the P631 from the power supply.
The following instructions apply to surface-mounted cases:
Warning!
⚫
The local control panel is connected to processor module P by a plug-in
connecting cable. Remember the connector position! Do not bend the
connecting cable.
Problem
●
Lines of text are not displayed on the local control panel.
■
Check to see whether there is supply voltage at the device connection
points.
■
Check to see whether the magnitude of the auxiliary voltage is correct.
The P631 is protected against damage resulting from polarity reversal.
●
The P631 issues an “Alarm” signal on LED H 3.
■
Identify the specific problem by reading out the monitoring signal
memory (see
). The table below lists possible
monitoring or warning indication (provided that a configuration setting
has been entered at SFMON: Fct. assign. warning), the faulty area,
the P631's response, and the mode of the output relay configured for
“Warning” and “Blocked/faulty”.
Key
●
–: No reaction and/or no output relay triggered.
●
Yes: The corresponding output relay is triggered.
●
Updating: The output relay configured for 'Warning' starts only if the
monitoring signal is still present.
Parameter
Address
Self-monitoring
SFMON: Fct. assign. warning
021 030
[spacer]
SFMON: Mon.sig. retention
021 018
P631
P631/EN M/R-11-C // P631-310-650
11-1
Содержание P631
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