Nibe F2040 - Page 71

278 - Sensor fault Tho-A
Is the outdoor sensor (Tho-A)
correctly connected?
YES
YES
Replace the control board.
Action.
Defective sensor - replace.
Are the characteristics of the
outdoor sensor (Tho-A) OK?
NO
NO
69Chapter 6 | TroubleshootingNIBE™ F2040