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My Lennox furnace diagnostic LED is flashing code 25 for low flame current, so what is the microamp reading threshold for a clean flame sensor and when should I suspect a failing gas valve regulator?
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My Lennox furnace diagnostic LED is flashing code 25 for low flame current, so what is the microamp reading threshold for a clean flame sensor and when should I suspect a failing gas valve regulator?
2 real searches · 1 real-search pass
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ChatGPT2 real searches · gpt-6
Lennox furnace diagnostic code 25 low flame current flame sensor microamp threshold service manual Google ↗
Lennox furnace flame current microamps minimum flame sensor signal gas valve regulator troubleshooting Google ↗
- Step 2—Flame Sensor Operation · lennoxproducts.com
- Flame Sensor · lennox.com
- Flame Sensor · lennox.com
- LENNOX EL280UHEK Series Gas Furnace Installation Guide · device.report
- LENNOX RESIDENTIAL COMMUNICATING SYSTEMS · lennoxcommercial.com
- © 2026 Lennox Industries Inc. · lennox.com
Queries
2 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Lennox furnace diagnostic code 25 low flame current flame sensor microamp threshold service manual OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
Lennox furnace flame current microamps minimum flame sensor signal gas valve regulator troubleshooting OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |