BA-en-3021-1912_R23ATR
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7. Troubleshooting
Warning!
Electric shock hazard!
• Do not carry out any maintenance or repair work without first switching
off the high voltage and disconnecting the supply voltage.
• Before carrying out any work involving the units, the machine which has
the units fitted must not be in operation.
• Repairs and maintenance work must be carried out only by qualified
electricians.
Malfunction: decrease in efficiency
Cause
Remedy
• Fouled charging bar
Clean the bars using compressed air (6 bar
max.) free of oil and water and a soft brush.
Use a suitable solvent to remove dirt or grease
(see chap. 5 Maintenance).
Caution!
Do not immerse the charging bar in solvent.
• Discharging to earth
potential
Remove metallic objects from the vicinity
(60 mm) of the charging bar. The fitting and
installation material of the charging bar must
be non-conductive.
• Incorrect distance
from substrate
Adjust distance between charging bar and sub-
strate.
• Uncontrolled spark-
ing or electric arc
forming on the charg-
ing bar
Increase distance from substrate or nearest
object, or reduce high voltage