Main Dump Open Circuit; Main Dump Short To Battery; Main Dump Short To Ground; Main Envelope Encroached - Hydraulics Suspended - JLG 1250AJP Troubleshooting Manual

Note Pretest Instructions
1.192.7 Remove main transport
angle switch [X051] mount
and reconnect harness.
1.192.8

1.193 MAIN DUMP OPEN CIRCUIT

Flash Code: 3-3
Main dump open circuit. The main dump output [X002.13] is open. See 1.377 COMMON STB OR OC PROCEDURE on Pg.
174.

1.194 MAIN DUMP SHORT TO BATTERY

Flash Code: 3-3
Main dump short to battery. The main dump output [X002.13] is shorted to battery. See 1.377 COMMON STB OR OC PRO-
CEDURE on Pg. 174.

1.195 MAIN DUMP SHORT TO GROUND

Flash Code: 3-3
Main dump short to ground. The main dump output [X002.13] is shorted to ground. See 1.378 COMMON STG PROCE-
DURE on Pg. 175.

1.196 MAIN ENVELOPE ENCROACHED - HYDRAULICS SUSPENDED

Flash Code: 0-0
Main envelope encroached - hydraulics suspended. Notification that the system has detected a main envelope violation and
suspended hydraulics to prevent further encroachment. Use the APU to telescope in or lift down inside the envelope. See
1.91 ENVELOPE ENCROACHED - HYDRAULICS SUSPENDED on Pg. 73.

1.197 MAIN IN OPEN CIRCUIT

Flash Code: 3-3
Main telescope in open circuit. The main telescope in output [X002.4] is open. See 1.377 COMMON STB OR OC PROCE-
DURE on Pg. 174.

1.198 MAIN IN SHORT TO BATTERY

Flash Code: 3-3
Main telescope in short to battery. The main telescope in output [X002.4] is shorted to battery. See 1.377 COMMON STB OR
OC PROCEDURE on Pg. 174.

1.199 MAIN IN SHORT TO GROUND

Flash Code: 3-3
Main telescope in short to ground. The main telescope in output [X002.4] is shorted to ground. See 1.378 COMMON STG
PROCEDURE on Pg. 175.

1.200 MAIN LIFT APU OPEN CIRCUIT

Flash Code: 3-3
Main lift auxiliary power unit pilot valve open circuit. The main lift pilot valve output [X002.1] is open. See 1.377 COMMON
STB OR OC PROCEDURE on Pg. 174.
3128411
SECTION 1 - FAULT DICTIONARY AND SELECTED TROUBLESHOOTING
Test
Hold the mount and sensor to the metal sur-
face of the boom. In ANALYZER ⇒ DIAGNOS-
TICS ⇒ BOOM SWITCHES ⇒ MAIN LIFT
ANGLE SWITCH, check the switch states. Is
the NC Switch CLOSED and NO switch OPEN?
Perform boom calibration. Did calibration
pass?
1250AJP
Result Corrective Action
Yes Go to step 1.192.8
No Go to 1.229 MAIN TRN ANGLE SW FAILED on
Pg. 116
Yes Troubleshooting complete
No Repair according to calibration failure
1-109