Festo DHTG - Manual (Page 34)

DHTG
34 Festo – DHTG – 1404d English
10 Accessories
Note
• Please select the appropriate accessories from our catalogue
www.festo.com/catalogue
11 Troubleshooting
Malfunction Possible cause Remedy
Rotating plate does not
move
Overload protection is active Pressurise connection (B) and turn
the plate back against the direction
of rotation as far as possible. Doing
this causes the overload protection
and the locking mechanism, if
applicable, to engage audibly
Audible leakage Send DHTG to Festo
Flow-control screw closed
completely
Open screw
Rotating plate does not
engage
End position not reached Unscrew the adjusting screw for the
shock absorber until the rotating
plate engages
Overload protection is active see above
Toothed disc and pinion stand tooth
on tooth
Please contact Festo’s Technical
Hotline
Hard metal impact at
the end position
Adjusting screw for shock absorber
unscrewed too far
Screw in adjusting screw
Shock absorber defective Replace shock absorber
( 9 Dismantling and repairs)
Hard metallic knocking
in the locking
mechanism
Adjusting screw for shock absorber
screwed in too far (e. g. when
changing the direction of rotation)
Unscrew adjusting screw
Plate position incorrect Overload protection engaged
incorrectly at 180° (plate offset 30°)
Force overload protection and turn
until it re-engages
Tab. 18