Xerox DOCUPRINT N17 Service Manual page 266

7.3.5 "Fan Failure - Power Off Now" Message (U5)
Initial Analysis
Check for an obstruction blocking fan.
1 Check that the Fan Assembly is spinning when power comes on.
Y: Go to step 2.
N: Go to RAP 7.4.20 Fan Assembly Failure.
2 There is +5VDC between P/J23-2 and P/J23-4 when the code appears.
Y: Replace the Fan Assembly.
N: Replace the Print Engine Controller.
Repair Analysis Procedures (RAPs)
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