Procedure 4.7: PERFORM PERIODIC TESTS ON PDF CHARGE CIRCUIT
OVERVIEW
This procedure tests the power distribution frame (PDF) charge circuit (CHG CKT). This procedure should be
performed on a periodic basis to ensure operational capability.
It is important to verify the type of charge panel for the PDF cabinet. If the PDF cabinet is equipped with an
ED-83024-30, G1 (2 amp) charge panel that contains the ED-82950-30, G1, A, B charge circuit module, follow
Procedure A (Steps 1 through 4). If the PDF cabinet is equipped with an ED-83024-30, G5 or G6 (15 amp) charge
panel that contains the ED-82950-G2 charge circuit module, follow Procedure B (Steps 1 through 5).
PROCEDURE
1.
Perform periodic tests on PDF charge circuit using the following subprocedures.
4.7.1
Procedure A (2AMP)
4.7.2
Procedure B (15AMP)
4.7.1 Procedure A (2 AMP)
OVERVIEW
NOTE:
Before performing this procedure, refer to the OVERVIEW, Section 4.7 .
1.
At the PDF, remove the capacitor charge probe
CAP CHG
from the control panel.
2.
Place the tip of the
CAP CHG
probe anywhere on bare metal framework and PRESS HARD ENOUGH FOR
THE TIP OF THE PROBE TO PARTIALLY RECESS INTO THE PROBE HANDLE.
3.
While the probe is recessed, press and hold the
CAP CHG TEST
button for approximately 10 seconds and
observe that the
CAP CHG
light-emitting diode (LED) [red] remains lighted.
(a)
If the
CAP CHG
LED (red) remains lighted only momentarily, it may be a defective
CAP CHG
probe.
(b)
If the control fuse blows, the charge circuit pack is defective.
(c)
If neither 3(a) nor 3(b) occurs, the
CAP CHG
probe is functioning properly.
4.
Remove the
CAP CHG
probe from the PDF's bare metal framework, and place it back in the holder of the
control panel.
Results:
PDF Charge Circuit tested with good results, or take action to correct any defects found
with the probe or circuit pack.
4.7.2 Procedure B (15AMP)
OVERVIEW
235-105-210
October 1999
Copyright © 1999
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