Air Leak - Siemens SIPART PS2 Service Manual

Troubleshooting Procedures

3.3 Air Leak

3.3 Air Leak
Note
For firmware 5.00.00 or greater only:
Verify parameter "PNEUM" is set correctly:
• "Std" = Standard Valve Block or
• "FIP" = Fail In Place Valve Block ("F10" at the end of the model code indicates FIP
option.)
Perform a leak test. Any number greater than 1.0 % will need to be corrected to prevent
premature wear of pneumatic valve block.
● From Manual or "noini" mode, drive the valve to a mid-stroke position using the
● Press and hold all three buttons down for at least 2 seconds.
– PS2 will now be in Diagnostic mode, with diagnostic number in lower left hand corner
● Press
● Go to diagnostic: "LEAK".Press and hold
– Display will flash between "test" and actual position.
– After one minute, the screen will display the leak rate in percent of travel from original
● To return to Automatic mode, press and hold the
– The unit will now be in Manual mode.
● If leak is detected, check pneumatic fittings, air lines and actuator.
– Use some form of leak detection or soap and water around the pneumatic connections
– Identify leak and use appropriate method(s) for leak correction.
16
buttons.
of display.
button to advance through the diagnostic menu.
positon.
Press button one time to return to Automatic mode.
taking care not to wet the internals of the unit.
button for at least 5 seconds.
button for 5 seconds.
PS2 Troubleshooting Guide
Service Manual, 03/2017, A5E36661550-AA
and/or