Quick diagnosis
What this code is telling you
Most likely trigger
Defective door lock motor unit
Recommended replacement
Door Lock Motor Assembly
Diagnostic path
4 ordered checks
Part fit
Exact model number required
Safety first
Before opening the appliance
Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.
Read the full safety disclaimerRoot cause
Why the control reported this error
The cooking control displays this code when it detects an abnormal temperature, control, lock, or power condition. Verify defective door lock motor unit first, then inspect for bent door hook switch actuator and burnt lock switch contacts before replacing door Lock Motor Assembly.
Symptoms
What you may notice
- ✓Door remains stuck locked after self clean cycle
- ✓Lock motor clicks repeatedly
- ✓C-d1 displays on screen
Possible causes
Check the most likely causes first
- 1
Defective door lock motor unit
Start here when it matches your symptoms.
- 2
Bent door hook switch actuator
- 3
Burnt lock switch contacts
Diagnostic sequence
Work through these checks in order
Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.
- 1
Check 1
Unplug range for 5 minutes to clear lock cycle memory.
- 2
Check 2
Ensure door alignment hinges are straight and true.
- 3
Check 3
Disconnect electrical power before opening panels. Test microswitch continuity on motor assembly.
- 4
Check 4
Replace door lock motor assembly.
Replacement part reference
Door Lock Motor Assembly
Exact OEM part number
Model number required
Fitment note
The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
Verify the appliance model before ordering.
Manufacturers can use different parts under the same error code across model families and production revisions.
Where do I find my model number? →FixCodeDB may earn a commission from qualifying purchases made through affiliate links.
Common questions
Quick answers for this fault
What should I check first for C-d1?
Start with defective door lock motor unit. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Does C-d1 always mean Door Lock Motor Assembly is bad?
No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
When should I stop troubleshooting C-d1 myself?
Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.
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