What It Means
- 1.3 - On initial power-up the comb. air blower does not energize. - Diagnostic lights flash the reverse polarity code. LED#1-Fast Flash, LED#2-Slow Flash.
Lennox Ducted Heating
Lennox Error Code LED#1-Fast Flash, LED#2-Slow Flash
Ducted Heating:
Causes & actions from Lennox
How it shows
- SureLight board LEDs (DS1/DS2): LED#1-Fast Flash, LED#2-Slow Flash (led1: flashing (fast), led2: flashing (slow))
Possible cause: 1.3.1 120V main power polarity reversed. Corresponding action/comments: ACTION 1 − Check the 120V has line and neutral correctly input into control. ACTION 2 − Reverse the line and neutral at the 112200VV field connection..
Applicable models & manual sources
- G24M
1.3 − On initial power−up the comb. air blower does not energize.. − Diagnostic lights flash the reverse polarity code. LED#1−Fast Flash, LED#2−Slow Flash.
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
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