The Old Style Carel Controllers used to all have a password of 22 on the PS parameter.
I Know blue box use 1234, or 0200 or 0300 on their carell
0 controllers. Cvm is 125.
try 0092, 0001, or 1234
FOR W3000 MANF.SET. IS 9990
Best password I ever came across is a supermarket controller's backdoor password...
I8AGIRAFFE
Older carels used to have 1702 password to access any board