Cleaning And Troubleshooting; Cleaning The Instrument; Fault Analysis And Remediation - Holex 98 1108_1 Manual Del Usuario

20

7. CLEANING AND TROUBLESHOOTING

Cleaning the instrument

Clean the housing of the recirculation air filter system for hazardous substances with a
moistened wipe. A mild soap lotion can also be used. Please make sure that no liquid
penetrates the instrument.
It is essential to make sure that the instrument is switched off before cleaning it.
personal
injuries

Fault analysis and remediation

Problem
No LED lights up
when instrument is
switched on.
Abnormal vibration
Left-hand yellow LED
lights up
Right-hand yellow
LED lights up
Left-hand LED lights
up
Right-hand red LED
lights up
Possible cause
Mains supply interrupted;
Blown fuse;
Other cause
Unstable cabinet or uneven
cabinet surface
Filter mechanically
contaminated
Filter chemically
contaminated
Filter mechanically contami-
nated, replacement interval
exceeded
Filter chemically contami-
nated, replacement interval
exceeded
www.hoffmann-group.com
Remedy
Check mains connection;
Contact service
Place instrument on stable
cabinet with an even surface
Separate instrument from
mains supply and then recon-
nect it; if yellow LED remains
lit up replace filter.
Separate instrument from
mains supply and then recon-
nect it; if yellow LED remains
lit up replace filter.
Replace filter immediately
Replace filter immediately