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my nichiyu forklift FBR is faulty and light is on p7 on the screen, can you help me please?. thank you very much! please help me!.
Our controller had a nasty accident. The display backlight supply touched chassis and burned out a 74hct245 data buffer then sent high voltage down the ribbon cable to the controller board and burned out seval chips. I can replace all the chips but the eprom with the software is toast. If anyone could make an image it could really save my bacon. I used a very simple arduino project to read it. Three data lines stuck.
Hi Marc. You might be able to help me, I have a Sumitomo-Yale 41-FBPVIII Forklift which has a Nichiyu PB83-90 controller. It was not responding and I found the backup battery was dead. I replaced it but now the display is throwing messages in Japanese. Is there a way to reset this board to factory settings ?
job well done Minh!
Regards
Marcb
Hi Marcb, thank you very much, the display board has worked
Hey Minh, the voltage on the back-up battery must be around 3,6 Volt. Just put the contact ON for a few seconds and put OFF again. If it works the machine is in it's factory settings.
Marcb
Hi Marcb, How voltage is the switch ON? 3V3 or 5V? When The switch ON need to hold how many second? Regards Marcb
Hey Minh, You can try to do a reset of the display board. Connect the first and last pin of the 8 pins PC connector switch ON the contact switch and switch it back OFF, disconnect the first and last connection you've made and try again by switching the contact switch (don't do this with the other cards!!!). Have you bought an original back up batterry of Nichiyu?
Regards
Marcb
Hi marcb, The display board after replace a backup battery then don't working, LED cpu don't flash lighting, only LED P7 light. May you give me to repair in this case ?
Minh, It can be programmed yes but it's just for factory and special requests.
Regards
marcb
Software connect with the cpu on the display module can the cpu reset ?
two months in the repair of two forklift
One of them managed to repair. but during the repair of burned several expensive igbt modules-is very expensive experience.
but not even that the Problem, the Problem is that I can not guarantee that in the future I will burn more. even if I have experience in repairing. second forklift continues
well a bit of a mystery for some.
Why are you so interested in it?
marc b
some sort mystery...
even a scary...
hey Alexandr, your right. It's just for changing the software on the display board and MPU-Board. If you have the software and you can connect it with your computer you have to learn Japanese. I have seen it used by a Japanese Technical person a few times, he could change the download speed of a forklift with fingertip control. He told me then that it could'n be used for testing any functions.
marc b
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