Liftmaster K001D8592 Sensor Board for CAPXL & CAPXLV Access Control Entry Systems
The LiftMaster K001D8592 sensor board is an internal service component used in supported CAPXL and CAPXLV high-capacity smart video intercom systems. On these connected access-control units, internal sensor boards help support the front interface and system response functions that allow the entrance station to operate reliably in day-to-day community or commercial use. A failed sensor board may be suspected when diagnosis points away from the camera, speaker, microphone, power supply, display, and door control wiring. Since CAPXL/CAPXLV systems are exposed to weather, temperature changes, insects, and public contact, sensor-related problems should be evaluated along with the front panel condition, connectors, gaskets, and signs of moisture intrusion. This is not a universal LiftMaster board and should not be substituted with similar CAPXM or CAPXS electronics.
Features and Specifications
| Manufacturer | LiftMaster |
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| Product Type | Sensor board replacement |
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| Part Number | K001D8592 |
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| Application | CAPXL/CAPXLV internal sensor board service |
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| Compatible System Type | High Capacity Connected Access Systems |
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| Notes | Board-level component; verify by parts diagram |
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Compatible With
- LiftMaster CAPXL High Capacity Connected Access Systems where K001D8592 is listed
- LiftMaster CAPXLV Smart Video Intercom Large Series systems where K001D8592 is listed
- Select CAPXL/CAPXLV access-control installations using the matching sensor board assembly
- Not intended for CAPXM, CAPXS, or gate operator control boards unless documentation specifically lists this part
Also Known As / Related Part Numbers
- K001D8592
- 001D8592
- 1D8592
- CAPXL sensor board
- CAPXLV sensor board
- LiftMaster connected access sensor board
Technician Note
Sensor-board replacement should follow diagnosis, not guesswork. Check power, connectors, front panel condition, and signs of water intrusion before replacing the board.
Before Ordering
- Confirm the system is CAPXL or CAPXLV.
- Match the original board number and connector layout.
- Inspect the enclosure for water, corrosion, or insect contamination.
- Check related front panel and display components if symptoms are unclear.
- Test the intercom after replacement for video, audio, display, and access-control response.
Professional Advisory
Board-level repairs on access-control systems should be performed by a qualified technician, especially where the unit controls gates, doors, maglocks, or electric strikes.
Important Ordering Warnings
- Do not confuse this sensor board with the door board K001D8478.
- Do not use this as a general replacement for CAPXM or CAPXS boards.
- Do not ignore moisture damage that may cause repeat board failures.
Product Questions and Answers
What is K001D8592 used for?
It is a replacement sensor board for supported LiftMaster CAPXL and CAPXLV connected access-control systems.
Is this the same as the door control board?
No. The door control board handles access-control input/output functions. K001D8592 is a sensor board assembly.
Can it be used in CAPXM?
Do not assume CAPXM fitment. This part is written for CAPXL/CAPXLV applications where the parts diagram lists K001D8592.
What should be checked before replacing it?
Check the original part number, power, connectors, front panel condition, moisture, and related board assemblies.
Will replacement require testing?
Yes. Test the intercom for normal display, video, audio, and entry-control operation after installation.
