Ceraphant PTP31B, PTP33B Diagnostics and troubleshooting
Endress+Hauser 39
9 Diagnostics and troubleshooting
9.1 Troubleshooting
If an illegal configuration exists in the device, the device switches to error mode.
Example:
• Diagnostic message "C469", for example, appears on the local display, the status LED is lit
red and the background of the local display changes from white to red.
• The switch outputs are opened. The current output adopt the alarm current that has
been set.
• If the device configuration is corrected, e.g. by resetting the device, the device quits the
fault state and switches to the measuring mode.
• Errors and warning messages relating to several channels appear on the display with the
same error number and associated output.
General errors
Error Possible cause Solution
Device is not responding. Supply voltage does not match that
specified on the nameplate.
Apply correct voltage.
Supply voltage has incorrect polarity. Reverse polarity of supply voltage.
Connecting cables are not in contact with
the terminals.
Check the contacting of the cables and
correct if necessary.
No display The local display might be switched off. Switch on the local display (see the
"DOF" parameter description).
Output current
≤ 3.6 mA
Signal line is not wired correctly. Check wiring.
Device measures
incorrectly.
Configuration error. Check and correct the parameter
configuration.
To Next Page
Loading...
