Set your meter to test diodes, Diode, 1 – 3 mw – Rockwell Automation 1336S, 1336F, 1336E, 1336T, 1336-SN-SP18A Snubber Board Kit User Manual
Page 25: 3 – 0.4v, Open, 0 – 200kw, 2 – 0.6 mw, 5 – 20 w

1336-5.39 – August, 1999
I-25
1. Access the SCR Module. Refer to “SCR Module Access” on
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.
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 Modules 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
Diode
1
3
1 – 3 M
Ω
open
3
1
0.3 – 0.4V
0 – 200K
Ω
SCR
1
2
open
0.2 – 0.6 M
Ω
2
1
open
0.2 – 0.6 M
Ω
2
G
0.005
5 – 20
Ω
G
2
0.005
5 – 20
Ω
!
ATTENTION: Replace all guards before applying
power to the drive. Failure to replace guards may result
in death or serious injury.