Ryobi 512 error code 222

Please anyone help me to fix this issue Ryobi 512 error code 222 what would be the reason

 

Hi, did you find the solution??

 

Hi sir:
Please make a Reset in the CPU board, normally , they have Small Button for to do it. Let see what will happen

If the error persist, look for this:
1) Perform a visual inspection in PCB : look for loose and broken wires, improperly seated connectors, loose or
broken wires.

missing switch, missing jumpers. and so on.
Check for obviously damaged component(components burned or discolored due to overheating);
Dust + dirt + tear +wear.

2) Reseating Boards and components:
Edge connectors are a common souorce of problems. Power down the system and remove the PC
boards. Examine the edge connector
for contamination and clean with contacts cleaner contacts. Reset any loose components such as
sockets ICs) . Reseat the
boards and power up.

3) Power supply checks:
Check the power supply for missing voltages and voltages out of spec. A digital multimeter DMM can
be necessary, as
voltage specifications are quite tight: logic supplies for example: must be within + 0.7% up or down percent of
5Vdc. All the
multiple supplies and all must be checked.

 

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Did you do, the steps,that I did indicate previously????

Otherwise,you must waste your time.

Blessings