Caterpiller DP20CNT T16D-85121 11/2006
S4Q-049171
Errors F-85, F-87
Just not going loader, hydraulic ok, engine running.
need a manual, error codes list.
any help
Showing items 1 - 4 of 4 results.
Where is the vcm located. Is it the one on the rh kick panel or the one mounted on the cowl/firewall?
I had F85 and F87 on my Mitsubishi FG30N with Nissan K25 engine. The engine would start but as soon as I put it in either gear (F or R) the error code would appear and the machine would not move in either direction. I found the problem to be a burned and consequently open resistor inside the VCM module. Fortunately the resistor was raised a bit above the bedding goo so I was able to use the hot tip of a soldering iron to remove the bedding material with relative ease and then lift the resistor after cutting one lead. The resistor value was.22 ohm. It looked like a 1 watt resistor. I replaced the resistor with a couple of.47 ohm 2 watt resistors wired in parallel that I had on hand. I also wired in a 5 amp fuse for good measure to prevent any high current situations from occurring in case there were more damaged components in short circuit. The fuse held and the forklift was back working with no error codes.
F85 - T/M Fwd Sol Err
Possible Causes:
faulty connection or wiring, faulty solenoid, faulty controller
F87 - T/M BW sol err
possible causes are same as F85
check your harness connector to solenoids
also check all fuses in fuse box
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