Table of Contents
"3072ES / 3772ES / 3772ES HD" Service & Parts Manual October 2008
Page iii
SECTION 4
TROUBLESHOOTING ..................................................................................4-1
General Troubleshooting Tips............................................................................. 4-2
Electrical System Troubleshooting .................................................................... 4-4
EZ-Cal Scan Tool.................................................................................................. 4-8
EZ-Cal Adjustment ............................................................................................ 4-14
EZ-Cal Setup ...................................................................................................... 4-16
EZ-Cal Diagnostics ............................................................................................ 4-17
EZ-Cal Outrigger Test Mode............................................................................. 4-18
Retrieve Mode And Help Messages From The Ez-Cal .................................... 4-21
EZ-Cal HELP Messages..................................................................................... 4-24
Trouble Table ...................................................................................................... 4-30
Hydraulic Pressure Adjustment Procedures................................................... 4-35
Troubleshooting Battery Charger..................................................................... 4-38
SECTION 5
SCHEMATICS ...............................................................................................5-1
Hydraulic Schematic ........................................................................................... 5-2
Main Hydraulic Manifold ................................................................................... 5-4
Main Relief Hydraulic Manifold ......................................................................... 5-5
Optional Outriggers Hydraulic Manifold............................................................ 5-5
Electric System.................................................................................................... 5-6
Electric Schematics: Upper Controls, Early Models ......................................... 5-6
Electric Schematics: Upper Controls, Current Models...................................... 5-7
Electric Schematics: Base ................................................................................ 5-8
P600 Motor Control Module ............................................................................. 5-9
GP400 Matrix Module .................................................................................... 5-10
Matrix Module Controller ................................................................................ 5-11
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