40 Troubleshooting
Troubleshooting by failure code (Display of code)
Failure code [879CKA] Ventilating Sensor Open Circuit
(PC400-879CKA-441-A-Z0-A)
See chapter 80 Appendix "Failure code [879CKA] Ventilating Sensor Open Circuit"
a Since the ventilating sensor (evaporator temperature sensor) cannot be disconnected with the sensor
installed on the machine, the air conditioner controller or air conditioner unit must be replaced.
40-112
PC88MR-10