Renfert Vario Jet Mode D'emploi page 21

Fault Cause
Foot switch doesn't •
work.
Extraction unit doesn't
•
work.
•
•
Pulsating sand flow.
•
Unusually large
•
amount of blasting
material in blasting
sand.
Independent switching •
off while working.
•
Unit is in automatic mode.
Extraction unit is not controlled
by the sandblasting unit.
Extraction unit is not switched
to continuous mode.
Fuse for extraction unit
(Fig. 13-C) is defect.
Blasting material is used or too
impure.
Sieve is in an incorrect position
Too low supply voltage.
Inadequate grounding because
the device is located too far
from the nearest ground con-
nection.
Remedy
• Interrupt automatic mode using HOLD button (Fig. 18-I).
• Switch to manual (Fig. 18-E).
• Connect the extraction unit power cable to the blasting unit.
• Switch the extraction unit to continuous mode.
• Change the fuse (Fig. 13-C) - replacement fuse found in set. If it
happens again >>> repair.
• Renew blasting material.
• Replace the sieve correctly, observe the insertion sequence:
1. Insert right hand sieve.
2. Insert left hand sieve.
• Checking of the power capacity of the mains supply.
• Temporary switching off of other more powerful units.
• Decrease the distance to the nearest ground connection
- 7 -
Subject to modification.
EN