Failure Code [Da29Kq] Model Selection Sig Mismatch (Pump Con) - Komatsu PC88MR-10 Shop Manual

Failure code [DA29KQ] Model Selection Sig Mismatch (Pump Con)

DA29KQ-400-A-Z0-A)
Action level Failure code
DA29KQ
L01
Detail of
Model code signal for model which is not registered in controller is input.
failure
Controls machine as default model (PC88MR standard specification machine).
Action of
Even if cause of failure disappears, machine does not become normal until starting switch
controller
is turned to OFF position.
Problem on
No problem appears if machine is PC88MR standard specification machine.
machine
Pat number of pump controller assembly can be checked with monitoring function.
(Code: 20229)
Signal status (ON/OFF) of model selection signal can be checked by using monitoring
function.
(Code: 02201)
a Blade specification
Related
Model selection signal 1: OFF
information
Model selection signal 2: OFF
Model selection signal 3: OFF
Model selection signal 4: OFF
Model selection signal 5: ON
Method of reproducing failure code: Turn starting switch to ON position.
No. Cause
Short circuit in wiring
1
harness
Open circuit in wiring
2
harness
Pump controller with
3
wrong part number
PC88MR-10
Model Selection Signal Mismatch (Pump Controller)
Failure
(Pump controller system)
Procedure, measuring location, criteria, and remarks
1. Turn starting switch to OFF position.
2. Disconnect connectors CP01, and connect T-adapter to female side of
CP01.
a Check by using multimeter in continuity mode.
Between CP01 (female) (21) and
each pin other than (21)
Between CP01 (female) (40) and
each pin other than (40)
Continuity
Between CP01 (female) (59) and
each pin other than (59)
Between CP01 (female) (77) and
each pin other than (77)
1. Turn starting switch to OFF position.
2. Disconnect connectors CP01, and connect T-adapter to female side of
CP01.
Resistance Between CP01 (female) (58) and (81)
1. Use monitoring function to display assembly part number and check
whether it is identical to that listed in Parts book.
40 Troubleshooting
Troubleshooting by failure code (Display of code)
(PC88MR-
No continuity
(No sound is heard.)
No continuity
(No sound is heard.)
No continuity
(No sound is heard.)
No continuity
(No sound is heard.)
Max. 1 z
40-263