LB 9507 Chapter 14: Troubleshooting
14-1
14. Troubleshooting
14.1 Error Messages during Operation
Display Possible reason Solution
BACKGROUND EFFECT Wrong entry for background effect Change protocol entry
TOO HIGH in measurement protocol
Measurement chamber sealing Call Technical Service
elements malfunctioning
Measurement chamber contaminated Call Technical Service
Phosphorescence from Do not store sample tubes
sample tubes in direct sunlight;
See also chapter 1
Contaminated, unsuitable See chapter 1
sample tubes
Defective photomultiplier or Call Technical Service
electronic unit
Fan failure Call Technical Service
MEMORY ERASED! Memory content incorrect; Enter protocols again
All protocols and instrument Call Technical Service if necessary
settings deleted
14.2 Injector System Malfunction
Display Possible reason Solution
Pump not injecting Defective tubing system Replace
Screw connection not tight Check screws
Injector volume Leak in tubing system Check screws
not constant (see also above)