Model reference

American Standard DH1B040A9241A

Furnace

2 documents10 error codes

Available documentation

Installation Guide

Installer's Guide40 pg
Covers this model
Installer's Guide - Upflow/Horizontal, Downflow/Horizontal, Gas-Fired, Direct Vent Condensing Furnaces40 pg
Covers this model

MyPros+ Max

Diagnose your American Standard DH1B040A9241A.

Step-by-step diagnostics from the service manual
Test values, resistance specs, and wiring references
Verified part numbers when replacement is needed

Start diagnosing

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax

Error codes (10)

CodeMeaning

2System lockout 3Draft pressure error 4Open high limit device 5Flame sensed when no flame should be present.6115 VAC power reversed or poor grounding.7Gas valve circuit error.8Low flame sense signal.9Check ignitor circuit and Line N to 24VAC common voltage is less than 2 volts Continuous OFFNo power to the integrated furnace control.Continuous ONIntegrated Furnace Control (IFC) has failed and needs replacement.

Related American Standard furnace models

75,000+ service documents · 20,000+ error codes · 100+ brands

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax