7001
Push Activated in Drive Mode
Freewheel input signal activated while driving. Disconnect freewheel switch.
NOTE: As of this reading, we do not use Freewheel. This permits pushing
machine more easily b y disconnecting traction motor from control.
7500
Throttle Comms Time Out
Problem with LCD dash module or with wiring to it. Check and replace as necessary.
7501
LCD Module settings corrupt
Disconnect batteries and wait 2 minutes to reconnect
7600
Brush motor not connected
Check for open circuit
7601
Soft Brush Current Fold back
Too much load on brush motor. May be from hitting a bump or wire tangled in
brush drive mechanism. Possible wiring or brush motor short.
7602
Soft Brush Current Foldback--2
Same as above.
7603
Soft Brush Current Foldback--3
Same as above.
7604
Brush Inhibit is on
We do not use Brush Inhibit at this time.
7605
Brush startup over current detection
You may have started brushes on carpet or rubber or other high resistance material.
This may have stalled motor before actuator could react to lift brush head up.
If chronic problem, call Factory to discuss reprogramming machine for application.
7700
Soft Vacuum Motor Disconnected Error
Check wiring to vac motor. On 390, check wiring to Hella relay for vac motor
7701
Vac Motor Current Fold back
Too much amp load on vac circuit. Check wiring. May come from picking up
large column of water.
7702
Soft Vacuum Current Foldback--2
Same as above
7703
Soft Vacuum Current Foldback--3
Same as above
7800
Traction Motor Fault No. 1
Check traction motor wiring and connectors. Include connector at steering pivot under
floor cover!
7801
Traction Motor Over current Error
Too much current due to bad motor or wiring to motor.
7802
Soft Traction Motor in Fold back State
Traction motor being overloaded, or ramp climbing that took longer than 60 seconds.
(Fold back means normal low amp setting to motor. There is one minute ramp climbing
surge that may be 4 times as high as the fold back rate).
7803
Motor Line Voltages Instability Timeout
May be loose wire at motor or at control. Possible motor problem
7880
Traction Speed Input Out of Range
Throttle setting wrong for motor speed. Check throttle pot. and wiring.
7900
Emergency Stop Error
Emergency Stop Button is Actuated when you tried to move. Optional button.
7901
Soft Belly Button Actuated
Belly Button Switch activated. We don't use this.
8000
Service Mode
Service Timer Limits have been reached. We don't normally use them; they are
dealer option.
9000
Brushes not fitted
Check brush deck to make sure brushes are on, and on securely.
0003
Possible terminal short in system
For all of these Diagnostic Codes:
0100
1. Turn off keyswitch and disconnect battery for two minutes, using your watch to
0204
measure time.
0A01
2. When you reconnect battery, you must see a spark. This shows the control's
0B02
on-board capacitor has been discharged and has been refilled.
1704
3. Restore the battery connection. Make sure battery cable is on tight before trying
1705
machine or you could burn battery posts and cable.
1706
4. Turn on machine. If diagnostic code still shows, then replace the control.
TROUBLESHOOTING CENTRAL COMMAND II V4
PAGE 34
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