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TROUBLESHOOTING
Diagnostic Electronic Fault Codes
Error codes displayed in the LCD Display indicate that the Electronic Control System may be
detecting problems with electrical connections, worn parts, power system controls, or batteries.
Be sure to write down the error code before calling your Authorized Tornado Distributor, Service
Center, or the Tornado Technical Service Department.
Error Codes Available in the LCD Display
Code
Probable Cause
Service Action
0003
Memory corrupt
Replace Controller if not cleared by disconnecting batteries for 1 min
0100
0204
0705
All 070x codes -Wiring short
circuit between Tiller Hi and Lo
Ref
Check for wiring short circuits on the 20 way connector on the Trio, the
16 way connector on the LCD (if used) and the wiring to the front panel
switches & controls and those switches & controls themselves.
0706
0810
All 081x codes – Throttle wiring
short or open circuits. 0816
and 0817 can be caused by
incorrect programming of the
ISO test parameter
Check for wiring short circuits or broken wires on the 20 way connector
on the Trio, the 5 way connector on the LCD (if used) and the wiring to
the front panel speed / throttle control and the speed / throttle control
itself.
0811
0812
0813
0814
0815
0816
0817
0818
0A01
Possible Controller fault
Replace Controller if not cleared by disconnecting batteries for 1 min
0B0B
Possible Controller fault
Replace Controller if not cleared by disconnecting batteries for 1 min
1310
Possible Controller fault
Replace Controller if not cleared by disconnecting batteries for 1 min
1500
All 150x codes - Check brake
& wiring for open or short
circuit
Check the Traction motor connection on the Trio and check the wiring
from this connector down to the Traction motor and checking
connections all the way. Otherwise possible fault in electro brake on
traction motor or possible Controller fault.
1501
1507
1600
Voltage exceeds maximum
Can be caused by poor or corroded connections to the batteries or a
battery charger being connected.
1704
Possible Controller fault
Replace Controller if not cleared by disconnecting batteries for 1 min
1705
1706
1800
1802
1B20
1B21
1D02
Tiller settings updated in
programming
Cycle the power via the keyswitch
1E03
Inhibit inputs - Exact usage
dependent on programming
Remove or correct what is causing the inhibit. Otherwise check for
wiring short circuits or broken wires on the 20 way connector on the
Trio and the wiring elsewhere on the machine. Otherwise incorrect
programming or operation of machine.
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