Valleylab CUSA EXcel-8 - Page 126

Engineer Troubleshooting
Handpiece Alarm
Yes
23 kHz handpiece
connected, is resistance
between J1, pin 4 and
J1 pin 5 less than 1Q
on ultrasonics
board.
Call Valleylab Service
for assistance.
Symptom: Handpiece
alarm
Is handpiece
connected?
Connect a second
handpiece. Does
alarm clear?
1$ +15 /
supply good?
(Ground = TP8,
+15V = TP1, -15V =
TP2 on ultrasonics
board)
Call Valleylab for
return authorization
number
and return handpiece.
Connect handpiece.
Call Valleylab for
Yes return authorization
number
and return first handpiece.
Call Valleylab Service
for assistance.
Yes
36 kHz handpiece
connected, is resistance
between J1, pin 3 and
J1 pin 4 less than 10
on ultrasonics
board.
Yes
Call Valleylab Service
for assistance.
CUSA EXcel-8 System Service Manual
10-17
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