Abbott VP 2000 - Page 170

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