Festo VIFB-02 Series Manual page 112

VIFB8 – 02
Testing the valves and additional outputs
9706
6. Diagnosis/error treatment
WARNING
Before the test is started the following must
be switched off or disconnected:
•
compressed air supply
•
operating voltage supply for outputs
•
operating voltage supply to relay boards
You thereby avoid:
•
uncontrolled movement of loose hoses.
•
undesired movement of the connected
actuators.
•
undefined switching states of the electronic
components.
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