Abbott VP 2000 Service Manual page 170

Troubleshooting
POWER SWITCH CIRCUIT
PUSH TO ON
POSITION
REPLACE DEFECTIVE
FAN
6-28
SYSTEM FAN DOES NOT RUN
BREAKER ON
NO YES
SYSTEM POWER CORD
PLUGGED IN
NO YES
POWER SOURCE HAS
PLUG IN
ACTIVE VOLTAGE
NO
CHANGE SOURCE
PLUG FAN IN
1
CHECK CONTINUITY FROM AC
PLUG TO FAN CONNECTOR
YES NO
CHECK CONTINUITY FROM AC
CHECK CONTINUITY FROM AC
POWER INPUT MODULE TO
SWITCH & FAN
NO
Figure 6.7: System Fan Does Not Run
YES
FAN PLUGGED IN & NOT
BLOCKED
NO YES
CHECK CONTINUITY FROM
SWITCH TO AC PLUG
NO
1
PLUG TO AC INPUT MODULE
YES NO
REPLACE DEFECTIVE
POWER CORD
1
OPEN IN HARNESS
RETURN TO FACTORY
1
YES
REPLACE DEFECTIVE
SWITCH
Abbott VP 2000™ Processor Service Manual
30-608308/R1—September 2008
Section 6