CYBEX Arc Trainer 770A Service Manual page 71

ERROR 23 - POWER SUPPLY IRREGULARITY - SPEED SIGNAL
BUT NO GENERATOR POWER - FATAL
condition,ERROR 23
present in log. Restart
unit.
Does the error
reoccur after restart?
Yes
Check all 3 legs of
generator for correct ohm
reading,(26.5 ohms) and
power output(0-300VAC).
does the generator
check out properly?
Yes
Check generator power at
LCB connections.
Is there power at
the LCB?
Yes
Replace Lower Controller
Board
Cybex Service Manual
Replace Generator
No
Replace Generator to
No
LCB cable.
71
Completed
No