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6-63
13. MALFUNCTION OF BOOM DOWN PRESSURE SENSOR
Fault code : HCESPN 128, FMI 0~4
Before carrying out below procedure, check all the related connectors are properly inserted.
INSPECTION PROCEDURE
※
1)
Wiring diagram
CN-53
23
MCU
CD-85
BOOM DOWN PRESSURE SENSOR
SUPPLY
SIG
RETURN
A
B
C
13
3
300L6MS25
·
Cause
Remedy
Defective MCU
Detective boom up
pressure sensor
Short circuit or
poor connection
between CN-53
(23)-CD-85 (B)
Short circuit or
poor connection
between CD-85
(A)-CN-53(3) or
CD-85(C)- CN-53
(13)
Replace
Replace or repair
Replace or repair
Replace or repair
Check voltage
between CN-53
(23) - GND
YES
YES
NO
SPEC :
Starting switch ON :
24
±
2V
Check voltage
between CD-85
(A)-(B)
SPEC :
Actuator operating: 1~5V
See TEST 17
NO
Summary of Contents for HX130 LCR
Page 11: ...1 1 SECTION 1 GENERAL Group 1 Safety Hints 1 1 Group 2 Specifications 1 10 ...
Page 174: ...4 5 MEMORANDUM HYUNDAI HEAVY INDUSTRIES CO LTD CONSTRUCTION EQUIPMENT DIV ...
Page 536: ...8 108 125LCR8TM30 Turn casing 1 upside down and remove oil seal 3 using jig 29 ...
Page 566: ...8 138 Remove lock nut 22 and then boot 23 14 36078RL14 2507ARL10 ...