MACHINE TROUBLESHOOTING-

CONTROLLER FAULT CODES

LED

PROGRAMMER LCD

EXPLANATION

POSSIBLE CAUSE

CODE

DISPLAY

 

 

 

3,1

PROC/WIRING FAULT

HPD fault present for

1.

Misadjusted throttle.

 

 

>10 sec.

2.

Broken throttle pot or throttle

 

 

 

mechanism.

 

 

 

 

 

3,2

BRAKE ON FAULT

brake On fault

1.

Electromagnetic brake driver

 

 

 

shorted.

 

 

 

2.

Electromagnetic brake coil

 

 

 

open.

 

 

 

 

 

3,3

PRECHARGE FAULT

precharge fault

1.

Low battery voltage.

 

 

 

2.

KSI and throttle turned on at

 

 

 

same time.

 

 

 

 

 

3,4

BRAKE OFF FAULT

brake Off fault

1.

Electromagnetic brake driver

 

 

 

open.

 

 

 

2.

Electromagnetic brake coil

 

 

 

shorted.

 

 

 

 

 

3,5

HPD

HPD (High Pedal

1.

Improper sequence of throttle

 

 

Disable) fault

and KSI,

 

 

 

push, or inhibit inputs.

 

 

 

2.

Misadjusted throttle pot.

 

 

 

 

 

4,1

CURRENT SENSE FAULT

current sense fault

1.

Short in motor or in motor

 

 

 

wiring.

 

 

 

2.

Controller failure. *

 

 

 

 

 

4,2

HW FAILSAFE

motor voltage fault

1.

Motor voltage does not

 

 

(hardware

correspond to throttle request.

 

 

 

2.

Short in motor or in motor

 

 

 

wiring.

 

 

 

3.

Controller failure. *

 

 

 

 

 

4,3

EEPROM FAULT

EEPROM fault

1.

EEPROM failure or fault.

 

 

 

 

 

4,4

POWER SECTION FAULT

power section fault

1.

EEPROM failure or fault.

 

 

 

2.

Short in motor or in motor

 

 

 

wiring.

 

 

 

3.

Controller failure.

 

 

 

 

 

4-17

86306300 CHARIOT BURNISHER 05/27/08

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Windsor CBE20, CBCD20, CB20 manual 4-17, Machine Troubleshooting Controller Fault Codes, Programmer Lcd