LiftMaster K79-13493-2 FDCL Logic Board Assembly Replacement Kit
The LiftMaster K79-13493-2 is a replacement logic board assembly for select commercial fire door operator service applications. It is intended to restore the operator control board in compatible FDCL-style units when the original board has failed or has been diagnosed as the correct replacement part.
Compatibility and Application
This board is commonly associated with LiftMaster FDCL commercial fire door operator repair listings and SVC / PCB-ASSY replacement kit references. Match the complete K79-13493-2 number against the original board label and the operator parts diagram before ordering.
Features and Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster |
| Product Type | Commercial fire door operator logic board assembly |
| Part Number | K79-13493-2 |
| Application | Replacement control board for select FDCL commercial fire door operators |
| Compatible Operator Type | LiftMaster commercial fire door operator |
| Firmware / Chip Notes | Standard K79-13493-2 FDCL board family; do not substitute for chip-specific versions without confirming the parts diagram |
| Safety Monitoring | Operator safety devices and fire-door functions must be tested after service |
| Notes | Board should be matched by exact part number, operator model, and wiring configuration |
Also Known As / Related Part Numbers
- K79-13493-2
- FDCL logic board replacement kit
- SVC PCB-ASSY FDCL
Technician Note
The K79-13493 family includes several similar fire-door logic boards. Do not treat K79-13493-2, K79-13493-2-600, K79-13493-500, K79-13493-600, and K79-13493A versions as interchangeable unless the manufacturer parts diagram confirms the substitution.
Before Ordering
- Confirm the complete K79-13493-2 number on the original board or parts list.
- Confirm the operator is an FDCL-style commercial fire door operator.
- Check for firmware, chip, and suffix requirements before replacing the board.
- Inspect connectors and wiring for heat damage or loose terminals.
- Plan for professional installation and operational testing after replacement.
Professional Advisory
Commercial fire door operators are life-safety equipment. Electrical diagnosis, board replacement, and final testing should be handled by a qualified commercial door technician.
Product Questions and Answers
Is K79-13493-2 used on LiftMaster FDCL fire door operators?
Yes. K79-13493-2 is commonly listed for FDCL commercial fire door operator logic board replacement applications. Always confirm by the operator parts diagram.
No. The -600 suffix normally points to a firmware or chip-specific version. Match the full number before ordering.
Can this board replace any LiftMaster commercial logic board?
No. It is for select fire door operator applications and should not be used as a universal commercial operator board.
What should be checked before replacing this board?
Check the original board label, operator model, wiring harnesses, power condition, safety devices, and any fire-door release functions.
Should this board be installed by a technician?
Yes. This is an internal electrical control board for a commercial fire door operator and should be installed and tested by a qualified technician.
