Val Controls IDC24-A - Page 35

DID-UM-002
Val Controls A/S • Limfjordsvej 3 • DK-6715 Esbjerg N • Tel. +45 7547 0600
vc@valcontrols.com • www.valcontrols.com
Revision: 10
35/74
No. 415
PST error: Timeout during partial stroke
Description
The valve did not move the desired PST travel before the PST timeout
Trouble shooting
This error can occur if:
• The valve gets stuck during the test, due to an obstruction in the
hydraulic/pneumatic system
• The valve is moving slow
It can be solved by:
• Resolve the mechanical problem
• Increasing the PST timeout