Quinton ST 55 Service Manual page 18

Troubleshooting
p - p p p p
- -
ERROR CODE FLOW CHART: E001
Microprocessor
V S D Micropro-
cessor E P R O M 1
R A M failure
E202
Speed Error
Software
tachometer
fault
Press Power
I
1
or i e a r
1
p p
e d - + q
Persi s ts
Grade Error
I
E201
I
Enter
Service
Calibrate
F I
Replace grade
Pot and
Error
( : : : : : : .
Persi s ts recalibrate
1
Inadvertant
Reset
Verify grounding
system is wired
correctly and is
intact
VSD Board