Lennox Furnace Control Board Services
Professional Lennox control board diagnostics, repair, and replacement. Specializing in SLP, EL series, and SureLight control systems. 20+ years experience in Metro Vancouver.
Common Lennox Control Board Issues
Expert diagnosis and repair of all Lennox furnace control board problems.
SureLight Control Board Failures
SureLight control boards are prone to power supply issues, relay failures, and diagnostic LED problems. We provide complete board replacement with OEM Lennox parts.
- Power supply component failure
- Relay and contactor issues
- LED diagnostic light malfunctions
Ignition Control Problems
Lennox furnaces with faulty ignition control circuits fail to light or experience delayed ignition. Professional diagnosis required.
- Hot surface igniter control failure
- Gas valve timing issues
- Ignition sequence lockouts
Thermostat Communication Errors
Control board communication failures with thermostat systems, especially with Lennox iComfort and ComfortSense thermostats.
- R, C, Y, W wire terminal failures
- Digital communication bus errors
- No power to thermostat
Blower Motor Control Issues
Control board failures affecting blower motor operation, including variable speed control and timing problems.
- Blower won't start or stop
- Variable speed motor control failure
- Blower timing and delay problems
Lennox Error Codes We Service
Professional interpretation and resolution of all Lennox furnace error codes.
Pressure switch did not close
Pressure switch stuck closed
Limit switch open
Ignition failure
Flame sensed when no flame should be present
System lockout
Seeing one of these error codes? Call 778-909-5731 for immediate diagnosis and repair.
Why Choose Us for Lennox Control Board Service?
Lennox Specialists
20+ years experience with all Lennox furnace models and control systems
OEM Parts Only
Genuine Lennox replacement parts for reliable, long-lasting repairs
Professional Service
Licensed, bonded, and insured technicians across Metro Vancouver
Need Lennox Control Board Service?
Don't let a faulty control board leave you in the cold. Contact our Lennox specialists for professional diagnosis and repair.