X-Rite 891, Operation Manual

Page: 65 / 80

S E R V I C E A N D G E N E R A L M A I N T E N A N C E
8-5
TROUBLESHOOTING TIPS
Reflection measurement incorrect:
•
Recalibrate instrument.
•
Clean reflection cal strip or replace if bad.
•
Replace read lamp.*
•
Contact X-Rite or Authorized Service Center.
Transmission measurement incorrect:
•
Recalibrate instrument
•
Replace read lamp*
•
Contact X-Rite or Authorized Service Center.
Transmission and Reflection measurement incorrect:
•
Recalibrate instrument.
•
Replace read lamp.*
•
Contact X-Rite or Authorized Service Center.
Measurements drift:
•
Recalibrate instrument.
•
Replace read lamp.*
•
Contact X-Rite or Authorized Service Center.
Unit will not calibrate:
•
Clean or replace cal strip.
•
Read lamp not working.
•
Replace read lamp.*
•
Contact X-Rite or Authorized Service Center.
Measurements unrepeatable/incorrect:
•
Re-insert strip.
•
Use different strip.
•
Contact X-Rite or Authorized Service Center.
* The instrument has a failure monitor that in most cases automatically
indicates when the read lamp requires replacement.