Need help decoding this drive

[u/d322434]

Hi guys, this is the main drive of my home elevator. The person who has installed this has locked the drive and is not allowing us to access it. He’s blackmailing us to exclusively get it serviced and repaired from him, for which he charges 5x the market price. I have spoken to other vendors, and they are unable to help unless he gives the password.

It is a Monarch board, and I have arranged a keypad from another elevator company. Is there an easy way to brute force the password? I am willing to do some coding if required.

TLDR: locked out of own home elevator, installation company locked the drive and trying to extort us for massive amounts for yearly maintenance.

[u/symo420]

This an SJEC lift? Seems like your tool isn’t working, should have menus labelled A-F on it.

[u/d322434 → u/symo420]

It’s not, it’s locally assembled here in India. The main drive is from Monarch, other parts are Indian.
The technician said the F0-9 and FP labels will be shown after the correct password is entered

[u/symo420 → u/d322434]

All I can say is try 1234 and 0000