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Page Title:
OPERATIONAL CHECK. |
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|  TM
115820-890203
OPERATIONAL CHECK. Continued
3.1.
Step 2. POWER CHECKS
ACTIONS
CHECKS
STEPS
VAA CB1 trips?*
NO:
Continue
2.1 Set VAA CB1 to ON
Set RTA LS-671 to ON
YES: Go to TS Guide 1
VAA DS1 lights?
YES: Continue
NO:
Go to TS Guide 2
VAA DS1 blinks
NO:
Continue
continuously?
YES: Replace VAA
LS-671 CB1 trips?
NO:
Continue
YES: Replace LS-671
LS-671 DS1 lights?
YES: Go to Step 2.2
NO:
Go to TS Guide 3
LS-671 CB1 trips?
2.2 Set RT B LS-671 to ON and
NO:
Continue
RTA LS-671 to OFF
YES: Replace LS-671
LS-671 DS1 LIGHT
YES:
Set RTA LS-671 ON
and go to Step 2.3
NO:
Go to TS Guide 4
PA Mount CB1 trips?
2.3 Set RTA LS-671 to ON
NO:
Continue
Set PA Mount CB1 to ON
YES: Go to TS Guide 5
PA Mount DS1 Lights?
YES: Go to Step 2.4
NO:
Go to TS Guide 6
YES: Go to Step 2.5
RT display lights?
2.4 Set RT FCTN to Z-FH
NO:
Go to TS Guide 7
RT display reads
2.5 Set RT FCTN to OFF
YES: Continue
GOOD?
return FCTN to Z-FH,
NO:
Replace RT if it reads
and observe RT display
other than GOOD
RT HUB lit?
Go to STEP 3
NO:
YES: Replace HUB
RT HUB still lit?
NO:
Go to STEP 3
YES: Replace RT
*
If VAA CB1 still trips after completing a TS Guide 1 corrective action, go back to
TS Guide 1 and continue.
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