Failure Code [879Aka] A/C Inner Sensor Open Circuit; Failure Code [879Akb] A/C Inner Sensor Short Circuit; Failure Code [879Bka] A/C Outer Sensor Open Circuit; Failure Code [879Bkb] A/C Outer Sensor Short Circuit - Komatsu PC200-8M0 Shop Manual

301 Troubleshooting by failure code, Part 1

Failure code [879AKA] A/C Inner Sensor Open Circuit

Failure code [879AKA] A/C Inner Sensor Open Circuit

See "Failure code [879AKA] A/C Inner Sensor Open Circuit" in chapter 80 "Others".
a Since the inner air temperature sensor connector cannot be disconnected with the sensor installed on the
machine, the air conditioner controller or air conditioner unit must be replaced.

Failure code [879AKB] A/C Inner Sensor Short Circuit

See chapter 80 Others "Failure code [879AKB] A/C Inner Sensor Short Circuit".
a Since the inner air temperature sensor connector cannot be disconnected with the sensor installed on the
machine, the air conditioner controller or air conditioner unit must be replaced.

Failure code [879BKA] A/C Outer Sensor Open Circuit

See chapter 80 Others "Failure code [879BKA] A/C Outer Sensor Open Circuit".

Failure code [879BKB] A/C Outer Sensor Short Circuit

See chapter 80 Others "Failure code [879BKB] A/C Outer Sensor Short Circuit".

Failure code [879CKA] Ventilating Sensor Open Circuit

See "Failure code [879CKA] Ventilating Sensor Open Circuit" in chapter 80 "Others".
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.
PC200, 200LC, 220, 220LC-8M0
SEN06133-00
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