Failure Code [879Ckb] Ventilating Sensor Short Circuit; Failure Code [879Dkz] Sunlight Sensor Open Or Short Circuit; Failure Code [879Emc] Ventilation Damper Abnormality; Failure Code [879Fmc] Air Mix Damper Abnormality - Komatsu PC200-8M0 Shop Manual

SEN06133-00

Failure code [879CKB] Ventilating Sensor Short Circuit

See chapter 80 Others "Failure code [879CKB] Ventilating Sensor Short Circuit".
a Since the ventilating sensor (evaporator temperature sensor) cannot be disconnected with the sensor in-
stalled on the machine, the air conditioner controller or air conditioner unit must be replaced.

Failure code [879DKZ] Sunlight Sensor Open Or Short Circuit

See chapter 80 Others "Failure code [879DKZ] Sunlight Sensor Open or Short Circuit".

Failure code [879EMC] Ventilation Damper Abnormality

See chapter 80 Others "Failure code [879EMC] Ventilation Damper Abnormality".
a Since the vent select servo motor cannot be disconnected on the machine, the air conditioner controller
or air conditioner unit must be replaced.

Failure code [879FMC] Air Mix Damper Abnormality

See chapter 80 Others "Failure code [879FMC] Air Mix Damper Abnormality".
a Since the air mix servo motor connector cannot be disconnected on the machine, the air conditioner con-
troller or air conditioner unit must be replaced.

Failure code [879GKX] Refrigerant Abnormality

See chapter 80 Others "Failure code [879GKX] Refrigerant Abnormality".
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301 Troubleshooting by failure code, Part 1

Failure code [879CKB] Ventilating Sensor Short Circuit

PC200, 200LC, 220, 220LC-8M0