Alarm code is D1 I
I got a single slider controller shows CC
How to Troubleshoot a Horton Automatic Sliding Door - 1) Carefully disconnect the power. 2) Remove all mounting screws. 3) Carefully remove the automatic door. 4) Carry the unit out back and place carefully into the dumpster. 5) Install new Gyro Tech Automatic Door and enjoy many years of worry free operation.