I'm getting, what I believe are the codes, from the dash and they are 144- Transistors did not turn off and 141 Pump control temp too high. I think it's the control box but I really don't have any exp. with forklifts and I have noticed there are some very sharp mechanics or engineers here. I can jump from the battery to the cable from the control box to the pump motor, thus eliminating the box, and the motor runs and functions work. Batteries are fully charged and there is no lights on indicating a problem with them. Is there anything I, myself, can do to see if it is the box with very little or no doubt. Any help is appreciated and valued.
Thank You Very Much in advance.
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