Cat 272D HYD/PARK BRAKE FAULT

Hi all any help will be greatly apprecaited. I live in South Australia on a farm and own a 272D skid steer. Up to date has been faultless. Other day went to start it and couldn't select hyd pattern or release park brake, when i push left hand joystick forward it then comes up with flashing exclaimation mark and level two amber warning. which i read in manual was block air filter. So cleaned filter thinking that was problem, put back in and was still there. With further testing found i could select and hyd pattern after the warning lights come on but only right hand side operates and parkbrake will not disenage.
Fault codes i can get off are 3700-3,2474-3,24776-3 and E568-2,E570-2,E459-2,E875-1.

Hi there are a number of faults indicated but first off I would check
battery voltage and that the alternator is charging
next check fuse A4 (LH joystick base)

E 875 low battery voltage
E 568 and E570 unexpected motor movement
2474-3 and 2476 -3 refer to the left hand joystick
3700 refers to load leveller fault

Mark250 said:

Hi there are a number of faults indicated but first off I would check
battery voltage and that the alternator is charging
next check fuse A4 (LH joystick base)

E 875 low battery voltage
E 568 and E570 unexpected motor movement
2474-3 and 2476 -3 refer to the left hand joystick
3700 refers to load leveller fault

Click to expand...

Hi Mark thanks a lot for reply, yeah battery is on way out with the cold weather,have charged up for testing. I skipped a few steps a found some tests for joystick found LH duty cycle starts ok in Centre postion at 35 moves back to close to zero pulling back.pushing forward goes to about 50 then 0. Assuming this may be my problem. Also appears that the joystick bases do cause issues. Do you have much experience with the skid steers mate? $1600 for new one from Cavpower. I’m a Diesel mechnic by trade and used ET a fair bit in past. Was thinking about getting one out of China do you have any heard of anyone getting these from these locations and are they any good. I’ve only got the one skid steer and a cat engine in a sprayer but it frustrates me having to get Cat out and pay through the nose for something that I can do.
RegardsTim

it seems like the joystick center position has moved maybe you can carefully disassemble and check out what the problem is
or try a calibration if you have access to sis