What It Means
- TSTAT Test
Lennox Packaged Unit
Lennox Error Code tESt
Packaged Unit: Packaged HVAC (outdoor)
Causes & actions from Lennox
How it shows
- core pushbutton 7segment: tESt
White Button: Long Press (NOT in Pre-Install State)
Other manual wording
LCM156U, LCM180U, LCM210U, LCM240U, LCM300U, LCT156H, LCT180H, LCT210H, LCT240H, LCT300H, LCX092, LCX102, LCX120, LCX150, LDT078, LDT092,…
White Button: Short Press
Applicable models & manual sources
- LCM156U
TSTAT Test
LCM156U, LCM180U, LCM210U, LCM240U, LCM300U, LGM/LCM156U, LGM/LCM180U, LGM/LCM210U, LGM/LCM240U, LGM/LCM300U, LGM156U, LGM180U, LGM210U, LGM240U, LGM300U
- LDT078
TSTAT Test
LDT078, LDT092, LDT102, LDT120, LDT152, LHT/LDT078, LHT/LDT092, LHT/LDT102, LHT/LDT120, LHT/LDT152, LHT078, LHT092, LHT102, LHT120, LHT152
- LGT156H
TSTAT Test
LGT156H, LGT180H, LGT210H, LGT240H, LGT300H, LCT156H, LCT180H, LCT210H, LCT240H, LCT300H
- LGX092
TSTAT Test
LGX092, LGX102, LGX120, LGX150, LCX092, LCX102, LCX120, LCX150
- LHX092
TSTAT Test
LHX092, LHX102, LHX120
- LCM156U
TSTAT Test
LCM156U, LCM180U, LCM210U, LCM240U, LCM300U, LGM/LCM156U, LGM/LCM180U, LGM/LCM210U, LGM/LCM240U, LGM/LCM300U, LGM156U, LGM180U, LGM210U, LGM240U, LGM300U
- LDT078
TSTAT Test
LDT078, LDT092, LDT102, LDT120, LDT152, LHT/LDT078, LHT/LDT092, LHT/LDT102, LHT/LDT120, LHT/LDT152, LHT078, LHT092, LHT102, LHT120, LHT152
- LGT156H
TSTAT Test
LGT156H, LGT180H, LGT210H, LGT240H, LGT300H, LCT156H, LCT180H, LCT210H, LCT240H, LCT300H
- LGX092
TSTAT Test
LGX092, LGX102, LGX120, LGX150, LCX092, LCX102, LCX120, LCX150
- LHX092
TSTAT Test
LHX092, LHX102, LHX120
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
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