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RKI Eagle / Eagle 2 Multi-Gas Detector

RKI Eagle / Eagle 2 Multi-Gas Detector code ALRM2: ALRM2 (appears next to the gas reading)

A target gas concentration crossed the high alarm threshold, triggering rapidly flashing LEDs, a fast pulsing buzzer, and an activated backlight.

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
ALRM2
Name
ALRM2 (appears next to the gas reading)
Controller
RKI Eagle / Eagle 2 Multi-Gas Detector
Type
Gas alarm
What it does
Critical alarm
Risk
RED Specialist territory
Reset
Needs a manual reset
Source
The manufacturer's manual (subscribers see which manual and page)

Updated July 22, 2026

How to fix it

Subscribers get:

  • What to do next, in plain words
  • Which manufacturer manual it comes from, linked
  • The 4 common causes listed for this code
  • 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 RKI Eagle / Eagle 2 Multi-Gas Detector code ALRM2 mean?

A target gas concentration crossed the high alarm threshold, triggering rapidly flashing LEDs, a fast pulsing buzzer, and an activated backlight.

Is RKI Eagle / Eagle 2 Multi-Gas Detector code ALRM2 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 RKI Eagle / Eagle 2 Multi-Gas Detector code ALRM2?

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.

Other RKI Eagle / Eagle 2 Multi-Gas Detector codes

All 9 RKI Eagle / Eagle 2 Multi-Gas Detector codes · Every fault code