Hello forum, I should explain that I work for a automotive machine shop that deals In high volume of engines, but the boss does not spend a lot of money on equipment repair. So I am trying to fix our wave work assist vehicle with a shoestring budget. I have electrical troubleshooting skills, and basic equipment such as Fluke millimeter etc. But I do not have the pf11776 service manual, or a handheld control unit (Curtis) or access123. The unit came to me (its the shops lift but not my department) immobile. I charged the batteries up, but when I try to power on the unit I get a constant beeping and lights 1 4 &5 counting from right to left. No movement of any sort. I think that is a code 25 (1,8, &16) but alas I have no idea what a code 25 is. any insight would really help. Thank you -michael