




Worn latch grooves cause interlock switches to fire out of sequence, momentarily shorting the circuit and tripping the breaker when the door is opened during or after a cook cycle.
Mis-timed door switch activation due to a worn housing overloads the ceramic thermal fuse inside the microwave, cutting all power to the unit.
Cracked or grooved latch ramps no longer hold the door hooks securely, causing the door to pop open or feel loose when closed.
If the latch housing is too worn to properly actuate all three interlock switches simultaneously, the control board will not allow the magnetron to energize.
A damaged latch board triggers continuous door-open fault codes or blinking indicators on the display because the interlock signal never reaches the control board correctly.




💡 Pro Tip: Diagnosing a Faulty Door Latch Housing
Your part is likely the culprit if you notice any of the following:
⚠️ Microwave trips the circuit breaker when the door is opened mid-cycle
⚠️ Internal ceramic fuse blows repeatedly even after switch replacement
⚠️ Door does not latch closed securely or feels loose at the catch points
⚠️ Microwave displays door error codes or blinking interlock fault indicators
Before ordering, visually inspect the two latch ramp grooves inside the housing — if they show uneven wear or cracking, this board is the root cause. Always replace all three door interlock switches at the same time for a complete repair. Photograph all wire connections before disassembly.
📦 What's in the Box
✅ 1× Microwave Door Latch Housing / Switch Holder Board (WB06X10610-compatible, white thermoplastic)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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