Service manual

Electrical Service Manual V4.0
8
8-3
TRIO PLUS CONTROLLER
CENTRAL COMMAND II
V.3 SYSTEM DIAGNOSTIC CODES
Code
Fault Description
Course of correction
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 by 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.
0705
2. When you reconnect battery, you must see a spark. This shows the control's
0706
on-board capacitor has been discharged and has been refilled.
0A01
3. Restore the battery connection. Make sure battery cable is on tight before trying
0B02
machine or you could burn battery posts and cable.
1704
4. Turn on machine. If diagnostic code still shows, then replace the control.
1705
1706
1800
1802
1B20
1B21
2102
2103
2D01
3100
3101
3102
3103
3104
3105
3200
3201
3210
3211
3212
3213
3214
3601
3602
3603
3608
3609
360a
360b
360d
360e
7501
FORM 10003
2 OF 2
REVISED :7/3/2007