Troubleshooting - kruss DR201-95 Instruction Manual

en

6 Troubleshooting

FAULT/MESSAGE
Device not working
No measurement
value
Poor precision
Wrong measurement
values
Wrong temperature
Membrane keypad
not working
Instruction Manual DR201-95
POSSIBLE CAUSES
▪
Battery used up or no
battery
▪
Faulty refractometer
▪
Battery used up or no
battery
▪
Bubbles in the measuring
cell
▪
Faulty measurement LED
▪
Unsteady ambient
conditions
▪
Bubbles in the measuring
cell
▪
Contaminated prism
▪
Faulty adjustment
▪
Contaminated prism
▪
Battery used up or no
battery
▪
Faulty temperature sensor
▪
Faulty membrane pad
| Version 3.1 © A.KRÜSS Optronic 2022
CORRECTIVE MEASURES
Replace or insert the
battery
If possible, use alkaline
battery
Customer
Contact
Service
Replace or insert the
battery
If possible, use alkaline
battery
Reapply sample without
bubbles
Customer
Contact
Service
Create external
temperatures as
constant as possible
Reapply sample without
bubbles
Clean the prism
Adjust
Clean the prism
thoroughly
Replace or insert the
battery
If possible, use alkaline
battery
Customer
Contact
Service
Customer
Contact
Service
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