Rockwell Automation 1336-SN-SP19A Snubber Board Kit, 1336-SN-SP19A User Manual

Page 25

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1336-5.49 – August, 1999

I-25

1. Access the SCR Module. Refer to “SCR Module Access” on

page I-11.

2. Set your meter to test diodes.

3. The following table shows meter connections and ideal meter

readings for those connections. Refer to Figure I-11 for meter
connection locations.

Note: Typical malfunction is shorted in both directions.

Note: Meter Used: Fluke®

Model 87, set to “Diode” range.

4. Replace the SCR Module if any meter readings are not as shown.

Refer to “SCR Module Replacement” on page I-26.

5. If the SCR Module shorted, check the IGBT for damage.

Important: Refer to your Service or Troubleshooting Manual for
IGBT Module test information.

Assemble the drive in reverse order of removal. Refer to “Torque
Sequence” on page I-4.
Refer to “Torque Specifications” on page I-11
for final tightening.

Meter (+) Lead

Meter (-) Lead

Nominal Meter Reading

Volts

Ohms

No test information at this time.

Test information will be included when it is available.

!

ATTENTION: Replace all guards before applying
power to the drive. Failure to replace guards may result
in death or serious injury.

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