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can the 390 circuit board be bypassed

Resolution: Yes - The legacy 320 350 and 390 can all have there electronics board bypassed. Doing so will eliminate automatic voltage selection and disable DPS and MBS.

for 12 volts wire red/black to positive and white/blue to negative, for 24 volt, wire red to positive, white to negative and short blue/black together.

It is not supported to bypass the electronics board of any or the current magnetic lock products.

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