TroubleshootingProblem Possible Cause Corrective Action1. A fuse is blown. 1. Replace the fuse.2. The light is burned out. 2. Replace the light.One or both boomsmalfunction; the SonicBoom light is Off. 3. The electronic controlleror wiring is damaged.3. Contact your AuthorizedToro Distributor.1. There is a minor systemerror.1. Lower the affectedboom(s) using the boomswitch(es) to clear theerror.One or both boomsmalfunction; the SonicBoom light ashes slowly.2. There is a system errorthatrepeatsafterclearingthe error.2. Clean or replace thesensor lters. If theerror repeats, contactyour Authorized ToroDistributor.One or both booms aremalfunctioning; the sonicboom light is on.1. Rubber sensor coversare blocking or swinginginto the sensor path1. Install cover to the topside of the sensor.15

Toro 41217 Installation Instructions Manual

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