Action Yes No
Step 5
Clean the CTLS.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
• Check the cable PCN3 for proper connection to the power
supply.
• Check the CTLS cable for proper connection to the controller
board.
Are they properly connected?
Go to step 7. Reseat the cables.
Step 7
Check the cable PCN3 and CTLS cable for damage.
Are they free of damage?
Replace the
controller board. See
“Controller board
removal” on
page 223.
Contact the next
level of support.
140 errors
140 error messages
Error code Description Action
140.10 Transport motor halls not detected. Go to
“Main drive gearbox service check” on
page 131.
140.20 Transport motor took too long to stop.
140.30 Transport motor unable to lock (before motor ID).
140.40 Transport motor overspeed detected.
140.60 Transport motor unable to lock (after motor ID).
140.70 Transport motor out of lock detected.
140.80 Transport motor excessive PWM or temperature.
Main drive gearbox service check
Action Yes No
Step 1
Remove the main drive gearbox and check for any debris.
Is it free of debris?
Go to step 2. Remove the debris.
Step 2
Check the gears of main drive gearbox for wear or damage.
Are they free of wear or damage?
Go to step 3. Replace the main
drive gearbox. See
“Main drive gearbox
removal” on
page 208.
4514-330
Diagnostics and troubleshooting
131
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