FISNAR VDP100, Instruction Manual, Page: 10 / 12

VDP100 INSTRUCTION MANUAL
Rev. A - October, 2013
10 | P a g e
SECTION 7
TROUBLESHOOTING

Shaft does not move
o
Check power of the air supply line and other equipment.
o
Check for cured material at the valve outlet.

Material leaks
o
If it leaks from the Needle (12), unfasten the Metering Cap (6) and clean
the O-ring (2) on the Piston (3). If it happens again after cleaning, change
the O-ring (2).
o
If the liquid leaks from the body of the Valve, clean the Bushing (20), Quid
Ring (19) and O-ring (18). If the leak continues, replace all parts.
o
Replace the Shaft (24).

Valve does not dispense
o
Check the Stopper (10) position and the actuation of the Shaft (24).
o
Check the material feed line.
o
Check the power of the air supply line and other equipment.

Air bubbles in fluid
o
Turn the valve upside down (or at least 90
o
from the horizontal) and
dispense 2-3 shots.
o
Check the material supply.