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EN
Problem
Possible cause
Corrective action
Only air, no or very
little abrasive.
•
Mixing chamber filter
combination blocked
• Abrasive
contains
impurities or is moist.
Make certain their is no abrasive
residue on the threads.
Attention: Never operate the
unit without filters!
Do not reinstall used filter
sets!
•
Replace the abrasive.
Unit blasts continu-
ously.
•
Foot switch connected
incorrectly.
•
Valve in foot switch is
defective.
•
Inspect/correct the foot switch
connection.
•
Replace foot switch.
Lamp does not go on.
•
Power cord not
plugged in.
•
Fluorescent tube de-
fective.
• Faulty
electronics.
•
Fluorescent tube not
properly seated in the
socket.
•
Plug the power cord into the wall
outlet.
•
Replace the fluorescent tube
(refer to Sec. 6.6).
•
Call for service to replace the
electronics, or refer to the spare
parts list.
•
Refer to Sec. 6.6, “Fluorescent
Lamp Installation”.
Compressed air
leaking from the foot
switch.
• Pneumatic
hoses
reversed.
•
Reverse the connections.
Foot switch fails to
switch on.
•
No pressure at the
compressed air con-
nection.
•
Pneumatic hoses are
kinked.
•
Inspect the compressed air lines
and/or the compressor.
•
Reposition the hoses.
Foot switch hoses
cannot be discon-
nected from the unit.
•
Push-in connection is
not released (Fig. 2).
•
Press the push-in connection
ring on the hose side firmly while
pulling on the hoses.
Subject to modification.
