Olympus CLV-160 - Pump Check

TROUBLESHOOTING CLV-160
Pump check
The pump does not work or the supply air flowrate does
not change even if the pump ON switch is depressed.
Connect an appropriate
scope correctly.
Set the pump switch to
“H”.
Does the pump
operate and air is
supplied?
No
Yes
Yes
Check the harness connection.
Check the hose connection.
Check the non-return valve for
clogging.
Check the rubber part of the air
supply mouthpiece.
UPCL16CR00 Front panel U
Does the pump
operate and air is
supplied?
No
Yes
Is +12V generated
at J9/1 pin of
UPCL16CR00?
Replace the
W12M013A.
(Replace the pump U.)
Yes
No
Replace the UPCN50U.
(Replace the scope
detection board.)
Does the pump
operate and air is
supplied?
No
Replace the
UPCL16CR00.
(Replace the main board.)
A
4-11