Trouble Shooting - Deprag 386365 A Operating Instructions Manual

8

Trouble Shooting

In the case of a malfunction, check and observe all instructions contained in this
technical documentation. If necessary, adjust equipment as needed.
Possible faults and their causes are shown below:
E R
RROR
Screwdriver No air, Shut-Off valve is
does not start closed
Valve pin is too short or
missing
Prox. Switch is defect or
wrong adjusted
Clutch is not engaged
Look Function Control
Function Control does not
allow air for Screwdriver to
pass through
Insufficient Air pressure too low
Power
Restriction in air hose
Valve Pin too short
Hose I.D. is too small
Screen Support clogged
Vanes are worn
Driver does Air pressure is too low for
not shut-off or required torque value
ratchets
Valve Pin is too long
If necessary, please send tool to DEPRAG for service.
EASON
S
OLUTION
Open Shut-Off valve
Test valve pin length according to
picture: Actual size of valve Pin
and replace valve pin, if necessary
Check prox. Switch or exchange
Mount clutch correctly - refer to:
Range- and exchange of clutch
spring
Function Control is not switched on
Check Function Control
Minimum air pressure should be 90
PSI for maximum performance
Remove bends or other restrictions
Check required length of valve pin
according to picture: Actual Size of
Valve Pin. If needed, exchange
valve pin.
Use required hose I.D.
Clean screen support or exchange
with new one
Exchange vanes
Maintain air pressure of 90 PSI
Check length of valve pin, either
shorten or replace valve pin
(picture: Actual Size of Valve Pin)
26