Graco EcoQuip EQ200T Operation, Repair, And Parts page 26

Troubleshooting
Pneumatic Pneumatic Pneumatic Blast Blast Blast Control Control Circuit Control
1. At the Air-Relay, disconnect the push-to-connect
tubing and check the trigger circuit (from the blast
control handle).
2. With the blast control switch activated, confirm
that there is air flowing from the disconnected
tube.
NOTE: NOTE: The air flow should be at supply air NOTE:
pressure but the air volume is reduced due to
the size of the fittings and tubing. If you do not
get supply air pressure, check the blast control
switch for proper operation, and check the blast
control hoses to make sure they are not kinked
or internally blocked.
3. Check the in-line filter at the industrial interchange
nipple connection on the side of the panel (where
you attach the blast control hose).
26
Circuit Circuit
4. If the previous steps do not fix the issue, replace
the air relay.
334666C