Bobcat t190

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N9878f

New member
Joined
Jun 7, 2014
Messages
1
Hello, I'm new on here. I have an '05 Bobcat t190 with keyless start. Today while running the machine an error came up saying hydraulic oil temperature is too hot so we shut down the machine. Hydraulic oil was full. 30 minutes later we started up the machine and got codes 04-21, 47-22 and 08-22. That's high oil pressure, no coolant temp reading and zero hydro pressure. The machine runs fine and when we press the traction lock bypass button it drove on the trailer fine. Also the bics system will not turn on. It seams to me that all these sensors can't go down at the same time so I'm thinking it's electrical somewhere. Has anyone heard of this problem. What should I do to start repairing? Thank you for any help.
 

OldMachinist

Well-known member
Joined
May 24, 2006
Messages
2,748
Normally when you see strange problems like this it's either a low voltage or poor grounding problem. I'd start by checking all the battery and ground connections on both ends. Then look for corrosion at the fuse/relay box(both sides).
 

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