Renfert Basic classic, Faq

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EN
FAQ - English
For information on operating elements, see Fig. 1 and Fig. 2 on page 2 of this document.
For chapter indications, refer to the complete instruction manual on the internet.
Problem Possible cause Corrective action
No air and no abrasive. • Blasting nozzle blocked at the hand-
piece.
• Foot switch connecting lines kinked.
• Tank selection switch in an intermedi-
ate position.
• Unscrew the nozzle from the hand-piece and blow
it out.
• With the nozzle removed, blow out the blasting
hose by activating the foot pedal.
• Inspect / correct the connection lines.
• Turn the switch until you feel it click into place.
Only air, no or very
little abrasive.
• The dosage nozzle in the mixing cham-
ber is blocked due to contaminated or
moist sand.
• Cleaning the dosing nozzle, see chapter 6.4.
Only air, no or very
little abrasive.
• Mixing chamber filter combination
blocked.
• Abrasive contains impurities or is
moist.
• Change filter cartridge ( 17, Fig. 1 ) (wrench SW14).
• 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 is not alight.
• Power cord not plugged in.
• Illumination defect.
• Plug the power cord into the wall outlet.
• Change light using the service or see spare part list.
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
connection.
• Pneumatic hoses are kinked.
• Inspect the compressed air lines and / or the com-
pressor.
• Reposition the hoses.
Foot switch hoses can-
not be disconnected
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.
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