Festo Пропорциональные распределители MPYE - Handbuch (Seite 19)

Eliminating faults
Fault Possible cause Remedy
Valve slide does not move No power supply Check connection of
DC 24 V power supply
No setpoint Check control unit and
connection
Valve slide stuck Send MPYE-... to Festo for
servicing
Valve slide oscillates Power supply too low Ensure that power supply is
DC 17 ... 30 V
Cable screening not
connected or connected
incorrectly Connect screening at end of
cable away from valve
Earth loop Install MPYE-... with
insulation
Cylinder speed too low Flow cross-section restricted
by connection system used
(swivel fittings) Use alternative connection
system
Fig. 23
10
1304f D/GB 19