TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
13. MAIN FRAME DOES NOT LOAD IN MANUAL MODE.
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Multimeter (ANURM105C)
Engine turned off (TM 9-2320-279-10)
Tool Kit, General Mechanic's: Automotive
Parking brake applied (TM 9-2320-279-10)
(SC 5180-90-N26)
Wheels chocked (TM 9-2320-279-10)
Personnel Required
Two
START
1.
KNOWN INFO
TEST OPTIONS
Does the main frame
Error Code, EC 05 and/
Visual inspection.
load with either the
or EC 17.
REASON FOR QUESTION
cab control or the
None.
remote control?
To determine if the fault
POSSIBLE PROBLEMS
is located in the remote
control circuit, cab
Cab control box faulty.
circuit, or the part of the
Linking harness faulty.
circuit common to both.
Main junction box wiring
faulty.
Main frame LOAD
solenoid harness faulty.
MODEL A, Go
Function switch faulty.
to Step 5.
MODE SELECT switch
NO
MODEL B, Go
faulty.
to Step 15.
Remote control unit
faulty.
Remote control cable
faulty.
YES
Remote linking harness
faulty.
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