Low Battery Voltage
The battery needs charging or there is a bad connection to the battery. Check the connections to the battery. If the connections are good, try charging the battery.

Traction Motor Disconnected
The traction motor has a bad connection. Check all the connections and leads between the motor and the Trio. Check the position of the freewheel switch.

Brush Motor Disconnected
The traction motor has a bad connection. Check all the connections and leads between the motor and the Trio.


Click here to see the full range of 4 Bar Trip Code Flash sequences.


Vacuum Motor Disconnected
The vacuum motor has a bad connection. Check all the connections and leads between the motor and the Trio.

Control System Inhibited
TheTrio is being inhibited form driving, the cause depends on the programming of the inhibit input.

Click here to see the full range of 7 Bar Trip Code Flash sequences.


Possible Control System Trip
A control system trip is indicated. Make sure that all connections are secure.



Click here to see the full range of 9 Bar Trip Code Flash sequences.


High Battery Voltage
An excessive voltage has been applied to the control system. THis is usually caused by a poor battery connection. Check the battery connections.

Commonly Seen Informational Flash Codes

Control System in Sleep Mode
The Trio has entered sleep mode. Switch the vehicle off and then on again.


Bridge Charge Step
This is an initialization message. It should only appear when a Trio is connected to a battery and the vehicle is switched on within 10 secsonds. Switch off the vehicle and wait for 10 seconds before switching on again.

Throttle Displaced
The throttle has been displaced while the vehicle is being switched on. Place the throttle in the neutral position and turn the vehicle off and on again.


If the problems persist after you have made the checks described above please contact your service agent.