2 selftest / circuit block reference table, 2 selftest / circuit block reference table -2 – Fluke 900 User Manual
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Troubleshooting
FLUKE 900 SERVICE MANUAL
4.2 Selftest / Circuit Block Reference Table
The following table describes state of major hardware blocks during each individual selftest.
Conventions:
50
static low level
51
static high level
WO
walking low level
W1 walking high level
A
active
-P
pulsed low
+P
pulsed high
F
FBUS monitored
E
EBUS monitored
WVcc walking Vcc pulse thru RD power relays
WGnd walking ground pulse thru RD power relays
4-2