304 Troubleshooting by failure code, Part 4
Failure code [DHSCMA] Arm Dump PPC Press Sensor Abnormality
Cause
Hot short circuit in wiring harness
5
(contact with 5 V/24 V circuit)
6 Defective pump controller
Circuit diagram related to arm out PPC pressure sensor
PC200, 200LC, 220, 220LC-8M0
Procedure, measuring location, criteria and remarks
1. Turn starting switch to OFF position.
2. Disconnect connector P08.
3. Connect T-adapters to female side of connector P08.
4. Turn starting switch to ON position.
Between P08 (female) (2) and ground
If no failure is found by above checks, pump controller is defective.
(Since this is an internal defect, troubleshooting cannot be performed.)
SEN06136-00
Voltage
Max. 1 V
17
40-304