SUGGESTIONS ON DIAGNOSIS
IMPORTANT:
1.Check harness connectors for good con- tact.
2.Before replacing any component verify, whenever possible, that the component has proper continuity or resistance values. There must be proper power to operate the component.
Display Shows Error Codes
•If error codes “C”, “d” or “CF” show in the display, refer to the “User Interface Failure Feedback” and “Component Testing” charts and check out the appropriate compo- nent(s).
Display Is Normal
•Disconnect power for 10 seconds and re- connect power. If error code is displayed after 3 minutes, refer to the “User Interface Failure Feedback” and “Component Test- ing” charts, and check out the appropriate component(s).
•If no error codes display and a malfunction is occurring, check or troubleshoot the fol- lowing appropriate areas. Also refer to the “ComponentTesting” and “Troubleshooting” charts.
-Electrical system
-Restricted or lack of proper airflow
-Defrost system
-Unusual noises
-Cooling system
Display Is Blank
•Refer to “User Interface Failure Feedback” and “Troubleshooting” charts.
