Lennox Ducted Heating

Lennox Error Code E200

Ducted Heating: Gas furnace (indoor)

What It Means

  • Hard lockout - Rollout circuit open or previously open.

Causes & actions from Lennox

How it shows
  • Integrated control 7-segment display: E200

Correct cause of rollout trip, or replace flame rollout switch. Test furnace operation. Cleared after fault recovered.

Other manual wording

SLP98UHV, SLP99UHV

Correct unit cause of rollout trip or replace flame rollout switch and test furnace operation.

Applicable models & manual sources
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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