Toyota 6FB/7FB Electric Forklift Fault Codes and Repair Solutions

6FB forklift truck fault code
A0:Control system circuit overheat;
A1:over-voltage of control system circuit;
A2:Non-normal temperature rise of CPU board;
A3:Battery overvoltage;
A4:Accelerometer installation abnormality;
A6:Abnormal installation of material handling head;
A8:Drive traveling insurance;
A9:Material handling operation circuit insurance;
AA:CPU board temperature sensor abnormality;
C0:main drive circuit abnormality;
C1: abnormal drive traveling current sensor;
C2: (7FB drive motor overheat);
C3:Control drive traveling temperature sensor abnormality;
C4:drive accelerometer abnormality;
C7:Direction switch abnormality;
C8:speed sensor abnormality;
C9:regeneration contactor abnormality;
CA:vehicle traveling contactor drive circuit abnormality;
E0:Material handling operation main circuit abnormality;
E1:material handling operation current sensor abnormality;
E5:regeneration diode abnormality;
E6:abnormal lifting potentiometer;
EA: abnormal material handling operation/electric steering drive contactor;
EE: Microcomputer control system circuit receiving data abnormality;
EF:CPU board abnormality;
F0-1:Power steering main circuit abnormality;
F1:Display to microcomputer communication abnormality;
F1-1:monitor to microcomputer communication abnormality;
F1-2:monitor to microcomputer communication abnormal;
F1-3:monitor to microcomputer communication abnormality;
F6-1:Safety timing function;
F7:Cannot start charging;
F8:Cannot complete charging;
AF:CPU abnormality;

If EE, AF, F1 are displayed then the analyzer working mode LED display cannot be used; display; fault location; fault mode; vehicle phenomenon.

7FB type forklift truck fault code
LED display; display; fault location; fault mode; vehicle phenomenon.
Upper 1235; 65-2; PS circuit; PS contactor fault; PS does not work.
Upper 2456; 67-1; None; Mode switch fault; Fixed in S mode without change.
Upper 13456; A0-1; Main driving circuit; overheat; drive output limited. a0-2; Main load handling circuit; overheat; cargo handling output limited.
Upper 2356; A0-4; driving system fan; fan fault signal; drive output limit. a0-5; cargo handling system fan; fan fault signal; cargo handling output limit.
Upper and lower 5; A1; controller; controller high voltage; cannot drive or perform cargo handling.
Up 12456 ; A2; CPU board; overheating; drive output limitation.
Upper and lower 6; A3-1; Battery power; wrong battery connection (CHG); MB not turned off. a3-2; Battery power; wrong battery connection (voltage error).
Upper 256; A4; acceleration switch; switch faulty; cannot drive.
Upper 236; A6-1; Cargo handling limit switch; LSL1 fault; Cannot perform cargo handling. a6-3; Cargo handling limit switch; LSTF,LSTR fault; Cannot perform cargo handling.

a6-5; Cargo handling limit switch; LSAT1 fault; Cannot perform cargo handling. a6-6; Cargo handling limit switch; LSAT2 fault; Cannot perform cargo handling.
Upper 3; A8; Travel and Cargo Handling Fuse; blown fuse (F1); display only.
Upper 1245; AA; CPU board; temperature sensor fault; display only.
Upper and lower 123456; AF-1,AF-2,AF-3,AF-4; CPU board; CPU malfunction; cannot travel and perform cargo handling.
Upper 15; C0-1; main driving circuit; main circuit failure; cannot drive. c0-3,; drive circuit; drive power supply failure; cannot drive. c0-4; drive circuit; drive circuit failure cannot drive.
Upper 45; C1; drive current sensor; sensor failure; cannot drive.
Upper 13456; C2-1; drive motor; motor overheated; drive output limited.
Upper 12356; C2-2; drive motor temperature sensor; temperature sensor failure; drive output limited.
Upper 1345; C3; Main Drive Circuit Temperature Sensor; Temperature Sensor Failure; Drive Output Limit.
Upper 25; C4-1,C4-2,C4-3; acceleration potentiometer; acceleration potentiometer fault. c4-4; acceleration potentiometer; acceleration potentiometer fault; maximum speed not reached.
Upper 24; C7; Direction switch; switch malfunction; cannot drive.
Upper 136; C8-1; actuating revolutions per minute sensor; revolutions per minute sensor (1) malfunction; cannot drive, but can drive by turning key switch off first before turning it on.

C8-2; actuating revolutions per minute sensor; revolutions per minute sensor (2) malfunction; cannot drive, but can drive by turning key switch off first before turning it on.

C8-2; actuating revolutions per minute sensor; revolutions per minute sensor (2) malfunction; cannot drive, but can drive by turning key switch off first before turning it on.
Upper 156; CB-1; MB; MB malfunction; display only.CB-2; MB; melted MB; display only.
Upper 16; E0-1; Main Cargo Handling Circuit; Main Load Handling Circuit Fault; Cargo Handling not possible. e0-3; Cargo Handling Power Supply; Cargo Handling Circuit Fault; Cargo Handling not possible.

e0-4; Cargo Handling Circuit; Cargo Handling Circuit Fault; Cargo Handling not possible.
Upper 46; E1; Cargo Handling Current Sensor; Current Sensor Failure; Cannot Perform Cargo Handling.
Upper 13456; E2-1; Cargo Handling Motor; Motor overheated; Cargo Handling output limited.
Upper 12346; E2-2; Cargo Handling Motor Temperature Sensor; Temperature Sensor Failure; Cargo Handling Output Limit.
Upper 2346; E3; Main Cargo Handling Circuit Temperature Sensor; Temperature Sensor Failure; Cargo Handling Output Limit.
Upper 245; E8; Cargo Handling Pump Revolutions Per Minute Sensor; Revolutions Per Minute Sensor Failure; No Cargo Handling.
Upper and lower 3; EF-1,EF-2; EEP-ROM; EEP-ROM; operating at default settings. ef-3; CPU; CPU fault; display only.

Up; None; Handbrake OFF alarm; when the operator leaves the vehicle without closing the handbrake; driving, cargo handling and EPS all stop (beep beep beep only). None; Return to neutral; when the accelerator switch is turned on or when the accelerator switch is turned back on with the direction switch in ON; no driving (no alarm beeps on the vehicle with LED display). None; warning in order to return to the handbrake lever; when the handbrake switch is OFF while driving; beeps only