Dear Srs, I have a problem on a Caterpillar DP25N- ET18C-51180.
We are rebuilding the machine and changed the old controller as joysticks for new ones.
With new ald old controler it shows the errors F50, F52, F55 and F57 related to lift and tilt solenoids. I´v checked the solenoids and they are ok and works withd direct current.
Is it necessary the dignostic cable and Uptime program to solve it? Did somebody had this trouble?
Thank you very much for any help.
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