Honeywell Sensepoint XCD Gas Detector
Honeywell Sensepoint XCD Gas Detector Alarm 2: 2nd alarm icon blinking
The gas concentration has reached the second alarm threshold, causing the detector to trigger a warning.
Safety first. This code involves a gas, flame or electrical hazard. Do not keep resetting it. Leave burner, gas train and high voltage work to a qualified technician. WERCS answers 24/7 at (877) 489-3727.
- Code
- Alarm 2
- Name
- 2nd alarm icon blinking
- Controller
- Honeywell Sensepoint XCD Gas Detector
- Type
- Gas alarm
- What it does
- Critical alarm
- Risk
- RED Specialist territory
- Reset
- Clears on its own when the condition goes away
- Source
- The manufacturer's manual (subscribers see which manual and page)
Updated November 4, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- Which manufacturer manual it comes from, linked
- The step by step check for this problem, one check at a time
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does Honeywell Sensepoint XCD Gas Detector Alarm 2 mean?
The gas concentration has reached the second alarm threshold, causing the detector to trigger a warning.
Is Honeywell Sensepoint XCD Gas Detector Alarm 2 dangerous?
It is graded red, specialist territory: it involves a burner, gas, flame or safety lockout, so leave the repair to a qualified technician.
How do I fix Honeywell Sensepoint XCD Gas Detector Alarm 2?
The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.
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