Lennox MCFA036S4-*P User Manual

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Error Code: F1,F2,F3,F4,F5andF6
Description: Indoorunit#1,#2,#3,#4,#5or#6coiloutlettemp.sensorerror
General Note: Ifthesamplingvoltageisnot5V,theLEDwilldisplaythefailure.
Checktheconnectionsbetweentempera-
turesensorandPCB.Aretheconnec-
tionsgood?
Yes
No
No
Correcttheconnections
Checktheresistancevalueofthesensor
via Appendix 1 and Appendix 2.
Yes
Replaceindoororout-
doorPCB.
Isitnormal?
No
Replacethesensor.

Lennox MCFA036S4-*P Specifications

General

Brand	Lennox
Model	MCFA036S4-*P
Category	Air Conditioner
Language	English