Possible Cause; Corrective Action - Renfert Basic quattro Faq

FAQ - English
For information on operating elements, see
For chapter indications, refer to the complete instruction manual on the internet.
Problem
No air and no abrasive.
Only air, no or very
little abrasive.
Only air, no or very
little abrasive.
Unit blasts continu-
ously.
Lamp is not alight.
Compressed air leaking
from the foot switch.
Foot switch fails to
switch on.
Foot switch hoses can-
not be disconnected
from the unit.

Possible cause

• Blasting nozzle blocked at the hand-
piece.
• Foot switch connecting lines kinked.
• Tank selection switch in an intermedi-
ate position.
• The dosage nozzle in the mixing cham-
ber is blocked due to contaminated or
moist sand.
• Mixing chamber filter combination
blocked.
• Abrasive contains impurities or is
moist.
• Foot switch connected incorrectly.
• Valve in foot switch is defective.
• Power cord not plugged in.
• Illumination defect.
• Pneumatic hoses reversed.
• No pressure at the compressed air
connection.
• Pneumatic hoses are kinked.
• Push-in connection is not released
(Fig. 2).
Fig. 1 and Fig. 2 on page 2 of this document.
• 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.
• Cleaning the dosing nozzle, see chapter 6.4.
• Change filter cartridge
• Replace the abrasive.
• Inspect / correct the foot switch connection.
• Replace foot switch.
• Plug the power cord into the wall outlet.
• Change light using the service or see spare part list.
• Reverse the connections.
• Inspect the compressed air lines and / or the com-
pressor.
• Reposition the hoses.
• Press the push-in connection ring on the hose side
firmly while pulling on the hoses.
Please use the release tools supplied (21).
- 1 -

Corrective action

(20 / Fig. 1) (wrench SW14).
EN