Störungscode F07_F24_F26_ECOi_MF1

(ECOi-Geräte)

Alarm Code	F07, F24, F26
Alarm meaning	Liquid temperature sensor trouble at outdoor heat exchanger 1; Liquid temperature sensor trouble at outdoor heat exchanger 2; Liquid temperature sensor trouble at outdoor heat exchanger 3
Alarm conditions	A/D step is 10 steps or less (short circuit). A/D step is 1014 steps or more (open circuit).
Probable cause	Sensor malfunction (including connector) PCB malfunction
Check	Measure the sensor resistance. Check that the sensor is operating normally. Use a remote controller monitor or PC monitor to check the temperature that is recognized by the microcomputer.
Correction	–
Example	–
Notes	–

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