Lennox MPB018S4M - Page 142

142
Error Code: F6
Description: IndoorUnitEvaporatorOutletCoilTemperatureSensorFaulty
General Note: Ifthevoltageislowerthan0.06Vorhigherthan4.94V,theLEDwilldisplaytheerror.
Temperaturesensorerror
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.