STRATA DK FAULT FINDING
SECTION 400-096-500
SEPTEMBER 1992
-8-
CHART NO. 2
POWER FAULTS
END
Did
you arrive
here from the
Fault Classification
Flowchart?
PWR
Pages 6
& 10
NO
From
Power down and
lightly press all
power supply
circuit breakers.
YES
Is
fault
cleared?
YES
Remove all
PCBs and power
down and press
breakers.
NO
Is
power
present at the
power supply and
backplane connectors
P1,
P4?
Refer to Voltage
Distribution Tables
B, C, and D and
install PCBs one at a
time until faulty PCB
is found.
YES
Call Service
Center for
assistance.
Did
replacement
of the faulty PCB
correct the
problem?
Is
fault
cleared?
Tag the
defective unit(s)
and return for
repair.
YES
Replace
power
supply.
NO
YES
NO
NO
Go to
Page 6
to classify
fault.
Start here to clear
Power faults.
Summary of Contents for Strata DK 24
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Page 12: ...INSTALLATION SYSTEM DESCRIPTION SECTION 400 096 202 SEPTEMBER 1992 ...
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Page 144: ...INSTALLATION TELEPHONE SECTION 400 096 207 SEPTEMBER 1992 ...
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Page 166: ...INSTALLATION PERIPHERALS SECTION 400 096 208 SEPTEMBER 1992 ...
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Page 238: ...INSTALLATION WIRING DIAGRAMS SECTION 400 096 209 SEPTEMBER 1992 ...
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Page 302: ...REMOTE ADMINISTRATION MAINTENANCE PROCEDURES SECTION 400 096 600 SEPTEMBER 1992 ...
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