Error Code C-d1
Door lock mechanism is not responding or is stuck
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: C-d1
What This Means
Door lock motor failure; Door lock switch failure; Loose harness connection; Door lock mechanical jamming
What actually causes this:
Door lock motor burned out, mechanical jam in latch, or electrical connection failure
First Thing to Check
Check if door opens manually by pressing door lever firmly for 30 seconds
Parts Involved
How to Fix
- 1
Check harness connection to door lock switch and motor
- 2
Measure door lock motor resistance (1600-2200Ω at room temp)
- 3
Measure voltage at door lock terminals (AC 120V)
- 4
Check micro switch operation
This Error Applies To
Samsung DOB30M977D Series Ovens & Ranges (2017) (2017–present)
Related Error Codes
Steam drainage pump not removing water completely
Internal PCB thermal protection sensor not responding
Cooling fan motor not responding to control signals
Central control PCB cannot communicate with display control board
Touch panel cannot communicate with main control board
Temperature sensor is disconnected or failed - oven cannot measure temperature
Steam function cannot measure steam temperature
Meat temperature probe circuit is shorted