Error code reference

Lennox Air Conditioner Error Code 2

Input indication - acknowledges a change such as jumper setting changes, delay overrides, or addition of optional safety device. Does not indicate a problem.

SourceLennox HS21 Series - Service Manual: Air Conditioner Unitsp. 10

Lennox codes Lennox air conditioner codes

Where this code is documented

1 manual in the MyPros+ library documents this code for Lennox air conditioner.

Models covered by the manuals that document this code

HS21-036
HS21-048
HS21-060
HS21-411
HS21-413
HS21-511
HS21-513
HS21-651
HS21-653

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

Get Started

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

Where this code is documented

Models covered by the manuals that document this code

Related Lennox air conditioner error codes