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DTC
HCESPN FMI
10 seconds continuous, Negative 1 Press. Sensor
0
Measurement Voltage > 5.2V
10 seconds continuous, 0.3V≤ Negative 1 Press. Sensor Measurement
1
Voltage < 0.8V
10 seconds continuous, Negative 1 Press. Sensor
4
Measurement Voltage < 0.3V
(Results / Symptoms)
123
1. Monitor – Negative 1 Press. display failure
2. Control Function – IPC operation failure, Option attachment flow control operation failure
(Checking list)
1. CD-70 (#B) – CN-52 (#33) Checking Open/Short
2. CD-70 (#A) – CN-51 (#3) Checking Open/Short
3. CD-70 (#C) – CN-51 (#13) Checking Open/Short
10 seconds continuous, Negative 2 Press. Sensor
0
Measurement Voltage > 5.2V
10 seconds continuous, 0.3V≤ Negative 2 Press. Sensor Measurement
1
Voltage < 0.8V
10 seconds continuous, Negative 2 Press. Sensor
4
Measurement Voltage < 0.3V
(Results / Symptoms)
124
1. Monitor – Negative 2 Press. display failure
2. Control Function – Option attachment flow control operation failure
(Checking list)
1. CD-71 (#B) – CN-52 (#17) Checking Open/Short
2. CD-71 (#A) – CN-51 (#3) Checking Open/Short
3. CD-71 (#C) – CN-51 (#13) Checking Open/Short
10 seconds continuous, Boom Up Pilot Press. Sensor
0
Measurement Voltage > 5.2V
10 seconds continuous, 0.3V≤ Boom Up Pilot Press. Sensor Measurement
1
Voltage < 0.8V
4
10 seconds continuous, Boom Up Pilot Press. Sensor Measurement < 0.3V
(Results / Symptoms)
127
1. Monitor – Boom Up Pilot Press. display failure
2. Control Function – Engine/Pump variable horse power control operation failure, IPC operation
(Checking list)
1. CD-32 (#B) – CN-52 (#19) Checking Open/Short
2. CD-32 (#A) – CN-51 (#3) Checking Open/Short
3. CD-32 (#C) – CN-5 1(#13) Checking Open/Short
※ Some error codes are not applied to this machine.
G : General
Diagnostic Criteria
failure, Boom first operation failure
C : Crawler Type
W : Wheel Type
5-19
Application
G
C
W
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Troubleshooting
