Resolution:
Verify the following parameters using built in display.

• Go to F--- menu:
• F800=1 (Baud rate) 1= 19.2K
• F801=1 (Parity) 1= Even parity

Also, the keypad Flash must be V1.1IE29 or higher.
Also, try swapping out the control terminal block with a known good one that has the F, R RES wires connected to it.

Power cycle once changes are made.

In other cases, a power supply issue where the +10V source PP and +24V source P24 may have issues or shorting.

Released for: Schneider Electric Canada