GreenWorks CU800 - Motor Drive System Controller Error Code

MOTOR AND DRIVING SYSTEM CU800 Service Manual
96
4.2.1 Motor Drive System Controller Error Code
Error
code
Message
Description
4481
Handbrake Error
Handbrake is active when direction selected.
4541
Fan Error
No speed feedback from external heatsink fans
4542
Low Oil
Low Oil
4543
Hydraulic filter
Hydraulic Filter
4544
Pump Current Low
Pump motor is not drawing sufficient current
4545
Isolation Error
Isolation Error detected between logic and power frame
4546
No Motor Speed Signal
No speed feedback from motor
4547
Tow Mode
Tow mode has been activated
4548
Steer Sensor Warning
Invalid steer sensor state
4549
Pulsed Enable
Pulsed enable signal not present, unable to enable
bridge
454A
Bridge Enable Delayed
Unable to complete power on checks to allow the bridge
to enable
454B
MOSFET s/c tests waiting
MOSFET / IGBT s/c tests at power up are being held off
454C
Electrolyte Low Level
Battery Electrolyte Low Level detected
454D
Electrolyte Cutout Level
Battery Electrolyte Low Level detected and cut back
4581
Throttle Error (Warn)
Warning level throttle Error. Used for Renault Twizy
4582
Safety Case 1
Throttle appears to be stuck. This Error will clear if
throttle starts to work again.
4583
Safety Case 2
Throttle appears to be stuck. This Error will latch and can
only be cleared by repairing the throttle and recycling
power.
4584
Analogue Output Over Current
(warn)
Contactor driver over current
4585
Analogue Output Off with
Failsafe (warn)
Contactor driver not working
4586
Analogue Output Over
Temperature (warn)
Contactor driver over temperature
4587
Analogue Output Under Current
(warn)
Contactor driver unable to achieve current target in
current mode
4588
Analogue Output Short Circuit
(warn)
Contactor driver MOSFET short circuit detected
4589
Analogue supply (warn)
Analogue supply is >10% out of range
458A
Seat (warning)
seat regen settings applied
45C1
BDI Warning
BDI remaining charge (2790,1) is less than BDI Warning
level (2C30,5)
45C2
BDI Cutout
BDI remaining charge (2790,1) is less than BDI Cutout
level (2C30,4)
45C3
Low Battery Cut
Battery voltage (5100,1) is less than Under Voltage limit
(2C02,2) for longer than the protection delay (2C03,0)
45C4
High Battery Cut
Battery voltage (5100,1) is greater than Over Voltage
limit (2C01,2) for longer than the protection delay
(2C03,0)
45C5
High Capacitor Cut
Capacitor voltage (5100,3) is greater than Over Voltage
limit (2C01,2) for longer than the protection delay
(2C03,0)
45C6
Vbat below rated min
Battery voltage (5100,1) is less than rated minimum
voltage for controller for longer than 1s.
NOTE: This Error is sometimes seen at power down.