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Results for “Lennox”
240+ results found.
Troubleshooting · LennoxLennox SLP99DF110XV60C* E348No 24-volt Y2 output to C with a noncommunicating outdoor unit
Troubleshooting · LennoxLennox SLP99DF070XV36B* E126Internal communication failure between control microcontrollers
Troubleshooting · LennoxLennox SLP99DF070XV36B* E250Limit-switch circuit open
Troubleshooting · LennoxLennox SLP99DF110XV60C* E310Discharge-air temperature sensor shorted or out of range
Troubleshooting · LennoxLennox SLP99UH135XV60D* E227Low-pressure switch open during ignition trial or run mode
Troubleshooting · LennoxLennox SLP99DF070XV36B* E125Control self-check or internal hardware failure
Troubleshooting · LennoxLennox SLP99DF070XV36B* E347No 24-volt Y1 output to C with a noncommunicating outdoor unit
Troubleshooting · LennoxLennox SLP99UH090XV36C* E409Compressor contactor welded
Troubleshooting · LennoxLennox SLP99UH090XV36C* E402Outdoor-unit system pressure trip
Troubleshooting · LennoxLennox SLP99DF090XV36C* E224Low-pressure switch failed closed
Troubleshooting · LennoxLennox SLP99DF070XV36B* E348No 24-volt Y2 output to C with a noncommunicating outdoor unit
Troubleshooting · LennoxLennox SLP99DF090XV48C* E275Soft lockout following out-of-sequence flame fault