Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 94

Maintenance and Trouble Clearing
FJTU-320-515-480
4.2.2 Procedure
Step 1 Turn off the power switch.
Note: The PW1A unit has no hardware option settings.
If you have a known-good PW1A unit, use it to replace the original unit, or locate
Step 2
another unit and inspect it for damage, debris, and foreign objects. Install the
unit. Refer to Figure 4-1 and turn on the power switch. Is the PWR LED green?
If Yes:
Go to Step 5.
Step 3 Check the fuse on the Fuse and Alarm Panel. Is the fuse good?
Go to Step 2, unit is bad.
Step 4 Replace the fuse on the Fuse and Alarm Panel. Is the PWR LED on the PW1A
unit green? Does the power switch remain in the ON position?
If Yes:
Go to Step 5.
Step 5 Connect the DMM (digital multimeter) leads to the MAIN and G test jacks on the
unit. Is the MAIN reading between –42 and –56 V dc?
Go to Step 8.
Issue 9, May 1999
• If the PWR LED is not lit, go to Step 3.
• If the PWR LED is red, call the Fujitsu Technical
Assistance Center at 1-800-USE-FTAC
(1-800-873-3822) for assistance.
If Yes:
Call the Fujitsu Technical Assistance Center at
1-800-USE-FTAC (1-800-873-3822) for assistance.
If Yes:
FNC and FNC Customer Use Only
4.2: Replacing the Power (PW1A) Unit
If No:
If No:
Go to Step 4.
If Any No:
If No:
Go to Step 6.
Vol. ll, Page 480.4-2