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DID-UM-002
Val Controls A/S
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Limfjordsvej 3
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DK-6715 Esbjerg N
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Tel. +45 7547 0600
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www.valcontrols.com
Revision: 10
51/74
No. 464
FST error: Timeout during FST
Description
The valve did not reach the fail position before the FST timeout
Trouble shooting
This error can occur if:
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The valve gets stuck during the test, due to an obstruction in the
hydraulic/pneumatic system
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The valve is moving slow
It can be solved by:
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Resolve the mechanical problem
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Increasing the FST timeout