dn TROUBLESHOOTING STEPS:

Step 1: Check for Crossed Wiring

• Inspect the communication wire for any signs of incorrect connections or crossed wiring.

• Verify that the communication wire is properly connected according to the system specifications.

• Check for any visible damage or anomalies in the communication wiring.

Step 2: Check the Stepper Motor

• Inspect the stepper motor associated with the EEV (Electronic Expansion Valve).

• Verify the wiring and connections to the stepper motor.

• Check for any visible damage or irregularities in the stepper motor.

• Ensure that the stepper motor is operating correctly and responding to commands.