What It Means
- Interlock switch sensed open for 2 minutes.
Lennox Ducted Heating
Lennox Error Code E370
Ducted Heating:
Causes & actions from Lennox
How it shows
- Integrated control 7-segment display: E370
Control sees the loss of 24VAC for 2 minutes.Terminate all services and wait for interlock switch to close. The alarm will clear when 24VAC is continuously sensed on DS terminal for a minimum of 10 seconds or on a power reset.
Applicable models & manual sources
- SL297UHNV
Interlock switch sensed open for 2 min- utes.
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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