Troubleshooting
Note:
Refer to the service manual for additional diagnostic information. Product electrical schematics may be
found at www.Toro.com.
Problem
Possible Cause
Corrective Action
1. A fuse is blown.
1. Replace the fuse.
2. The light is burned out.
2. Replace the light.
One or both booms malfunction; the sonic
boom light is Off.
3. The electronic controller or wiring is
damaged.
3. Contact an Authorized Toro Distributor.
1. There is a minor system error.
1. Lower the affected boom(s) using the
boom switch(es) to clear the error.
2. There is a system error that repeats
after clearing the error.
2. If the error repeats, contact an
Authorized Toro Distributor.
One or both booms malfunction; the sonic
boom light flashes slowly.
3. There is a hydraulic or mechanical
failure.
3. Repair the hydraulic or mechnical
problem.
One or both booms are malfunctioning;
the sonic boom light is on.
1. The sensor covers are blocking or
swinging into the sensor path
1. Install cover to the top side of the
sensor.
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