Dell 2130cn Service Manual page 291

Step
Checking the connectors for connection
Check the connections between the PWBA MCU and
DRIVE ASSY MAIN (Main Motor).
Are P/J21 and P/J211 connected correctly?
24
Checking the HARN ASSY MAIN MOT for continuity
Disconnect J21 from the PWBA MCU.
25
Disconnect J211 from the DRIVE ASSY MAIN.
Is each cable of J21 <=> J211 continuous?
Checking the power to the DRIVE ASSY MAIN
Disconnect J21 from the PWBA MCU.
26 Are the voltages across J21-2pin/J21-4pin <=> ground on
the PWBA MCU, about +24 VDC when the interlock switch
(HARN ASSY INTERLOCK) is pushed?
Check
1 - 265
Chapter 1 Troubleshooting
Remedy
Yes
Reconnect the
connector(s) P/
Go to step 25.
J21 and/or P/J211
correctly.
Replace the
Go to step 26. HARN ASSY
MAIN MOT.
Replace the Replace the
DRIVE ASSY PWBA MCU.
MAIN. (Refer to (Refer to Removal
Removal 32/ 43/ Replacement
Replacement 22.) 11.)
No