Technical data

Symptom
Fan not running.
Fan running
and
front panel red ON LED
off.
LEDs
012
and
D13
off.
Op
codes
don't
function correctly.
Each
power
supply
has
its own fuse
4-1
Chapter 4
97060A Troubleshooting
Probable Cause
Faulty line fuse.
Faulty
+ 5V power supply. *
Faulty - 5V power supply. *
Faulty parallel interface pc assembly.