Service Manuals for Mitsubishi forklift truck controller:

FB16KT EFB4A-00011-up
FB18KT EFB5A-00011-up
FB20KT EFB5A-50001-up

Included chapters:

Controller: Foreword
Controller: Main Controller
--Outline
--Controller Components (Part 1)
--Controller Components (Part 2)
--Logic Card Components
--Controller Models
--Operation Outline
--Drive System Drive Motors Current Table (48 V type)
--Hydraulic System
--Fail-safe System
--Malfunction Detection (Run Time Diagnosis)
--Malfunction Data Record (History Folder)
--Setting
--Self-diagnosis
--Other Functions
--Display Unit
--Inspection and Adjustment
--Service Data
--Tightening Torque

Controller: Troubleshooting for Control Circuits
Controller: Electrical System Diagrams
Controller: Motors