How to Correct D1255 Displaying Stars then Zeros

Issue

D1255 Keypad alternately displays a screen of all zero’s and then a screen of all stars.

Solution

This is caused by dipswitch 6 on the keypad not being in the (On) position.

Part numbers D7212B, D9112B, D7212B1, D9112B1, D7212, D7412, D9112, D9124, D9412, D7412G, D9124G, D9412G, D7412GV2, D9124GV2, D9412GV2, D7412GV3, D9412GV3, D7412GV4, D9412GV4, B8512G, B9512G, D1255, D1255RB, D1255R, D1255W