Splendide® WD2100XC Showing a Red Door Lock Light? Here’s What It Means and How to Fix It
If your Splendide® WD2100XC washer-dryer combo powers on but shows a red door lock light even when the door is not locked, you’re not alone. This is one of the most common issues RV owners experience with this popular washer-dryer combo.
The good news is that the problem is usually caused by one of just a few components. In this guide, we’ll walk through the most likely causes and the parts that typically resolve the issue.
What the Red Door Lock Light Means
On the Splendide® WD2100XC, the control board monitors the door lock assembly to make sure the door is securely closed before starting a wash cycle. When the system detects that the door is locked, the red door lock indicator illuminates.
If the light stays on even when the door is open or unlocked, the control board is receiving an incorrect signal from the door lock circuit.
This usually points to one of three things:
- A failed door lock assembly
- A wiring issue between the lock and the controller
- A faulty control board
Step 1: Check the Door Latch and Strike
Before replacing parts, inspect the physical latch system.
Open the washer door and check the door strike (the hook on the door). If it becomes bent or misaligned, it may not properly engage the lock mechanism.
Make sure:
- The strike is straight
- No debris is inside the lock opening
- The door closes firmly
If the latch looks good and the red lock light remains on, the next step is to check the door lock assembly.
Step 2: Replace the Door Interlock Assembly (Most Common Fix)
The most common cause of a constant door lock light is a failed door interlock switch. This component contains internal microswitches that tell the control board whether the door is closed and locked.
When the switch fails, the washer may incorrectly think the door is locked at all times.
The replacement part for the WD2100XC is:
Door Interlock Assembly – Part #090199 / 257924
You can find the replacement here:
Splendide® Door Interlock 090199
Symptoms of a bad door lock include:
- Red door lock light stays on constantly
- Machine powers on but will not start cycles
- No audible click from the lock when closing the door
Because the lock contains moving parts and electrical switches, it is the component most likely to fail over time.
Step 3: Inspect the Wiring Harness
If replacing the door interlock does not resolve the issue, inspect the wiring between the lock and the controller.
Look for:
- Loose connectors
- Damaged wires near the door hinge
- Corrosion at the plug connection
The lock assembly sends several signals to the control board, including door status and lock confirmation. A damaged wire can cause the controller to read a false locked condition.
Step 4: Replace the Main Control Board
If the door lock and wiring are working properly but the red lock light remains on, the issue may be the main electronic controller.
The control board reads the signals from the door lock assembly and manages all washer-dryer functions. When it fails, it may incorrectly interpret the lock signal.
The replacement controller for the WD2100XC is:
Main Control Board – Part #50997321
You can find the controller here:
Splendide® Washer Dryer Control Board 50997321
Controller failures are less common than door lock issues, so it is always recommended to test or replace the lock assembly first.
Quick Reset Tip Before Replacing Parts
Before ordering parts, try performing a simple power reset.
- Unplug the washer from power.
- Wait 10–15 minutes.
- Plug the unit back in and power it on.
In some cases, the controller can get stuck in a locked state and a reset will clear the fault.
Final Thoughts
If your Splendide® WD2100XC shows a red door lock light even when the door is not locked, the most common solution is replacing the door interlock assembly. If the issue continues after that, checking the wiring and replacing the main control board will typically resolve the problem.
Using genuine replacement parts helps ensure your washer-dryer continues to perform reliably during RV travel.
You can find genuine replacement parts for Splendide® washer-dryer combos at RVWashersDryers.com.