Fluke Biomedical VT Plus HF - Manual (Page 137)

C-1
Appendix C
Troubleshooting
Table C-1 lists problems, possible causes, and corrective actions.
Table C-1. Troubleshooting
Problem Possible Cause Corrective Action
Analyzer does not turn on –
Screen is dark No power Screen contrast not
set Blown fuse Plug unit into an AC mains outlet
using the supplied power cord.
Turn the switch on. Adjust
screen contrast using multiple
pushes of the contrast key on
the side of the Analyzer display.
Replace fuse with one of correct
rating as marked on the
Analyzer rear panel or as
specified in the manual.
Analyzer screen turns on but is
just white. Splash may or may
not appear before screen goes
white Flash program memory not
loaded Flash memory or boot
memory resulted in incorrect
checksum. Screen contrast not
set If problem persists, call Service.
If problem persists, call Service.
Adjust screen contrast using
multiple pushes of the contrast
key on the side of the Analyzer
display.
Screen is difficult to read Screen contrast not set Adjust screen contrast using
multiple pushes of the contrast
key on the side of the Analyzer
display.
Flicker is observed on left side of
Analyzer screen Slight flicker is normal Adjust contrast to diminish
effect.