Error Code C-d1

Door locking information - door lock malfunction

What This Means

Door lock motor disconnected; Micro switch failure; Main PCB issue; Harness damage

How to Fix

1. 1

   Disconnect power

2. 2

   Open back cover

3. 3

   Check door lock switch and motor harness connections

4. 4

   Measure door lock motor coil resistance (normal: 1750-1850Ω)

5. 5

   Verify voltage (AC 120V) applied to lock motor during operation

6. 6

   Check main PCB connector CNS600 resistance (normal: COM-NO ∞Ω)

7. 7

   Repair or replace damaged harness if found

8. 8

   Replace micro switch or lock motor if defective

9. 9

   Replace main PCB if electrical tests show no issues