Machine was working perfectly, then stopped and wont move forward or reverse. Getting two short and two long flashes. Proportional solenoid valve? Anyone have the tech/service manual i could buy from them in email? Thanks
Cat D3, Deere 110 TLB, Kubota BX23 and L3800 and RTV900 with restored 1948 Deere M, 1949 Farmall Cub, 1953 Ford Jubliee and 1957 Ford 740 Row Crop, Craftsman Mower, Deere 350C Dozer 50 assorted vehicles from 1905 to 2006
Mine was the flywheel sensor. Could only use the creep function to move it
Cat D3, Deere 110 TLB, Kubota BX23 and L3800 and RTV900 with restored 1948 Deere M, 1949 Farmall Cub, 1953 Ford Jubliee and 1957 Ford 740 Row Crop, Craftsman Mower, Deere 350C Dozer 50 assorted vehicles from 1905 to 2006
That was my best guess... the Dealer was of no help other than bring it in and they bill so much per hour diagnostic time.
I had same issue dealer came to me as a field service call thought it was a potentiometer issue they tried to field adjust using john deere pro-gramer and lap top but had no signal dialed it in with a meter. But that wasn't the issue the picked it up took it to shop this was my green dealer they had to call the yellow dealer to figure it out. $1200.00 later and it runs great I can not remember exactly what it was I could look at my bill tomorrow I believe it was a transmission module they had to split it to fix it.
So far i have ohms tested both fwd and reverse proportional solenoid they test ok, continuity tested the wiring both feed and ground from the HST controller to fwd and rev solenoids and found no open shorts.. replaced the flywheel speed sensor, calibrated both the fwd and rev potentiometers and throttle pot. I am going to try and test ground speed sensor next.