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Vermeer feed rollers not working

K

Kingmechanic

Member
Joined
Apr 21, 2013
Messages
7
Location
United States
Hi I’m working on a vermeer bc1800xl chipper with psi engine. The feed rollers stop working after a few hours of use. The tech gauge under diag shows active codes…
-SPN 695 FMI 9 OC 3 abnormal update rate
-SPN 639 FMI 12 OC 2 bad intelligent device
-SPN 639 FMI 12 OC 1 bad intelligent
device
I checked the canbus wires and showed 60ohms at each plug. I’m not sure if the unit control module has failed this is what I’m trying to figure out. Does anyone have a trouble shooting tree for these fault codes listed?
 
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