Toro Multi Pro 1200 Service Manual page 299

Problem
One of the booms does not automat-
ically follow ground irregularities.
Boom can be controlled with boom
lift switch.
Neither boom automatically follows
ground irregularities. Booms can be
controlled with boom lift switches.
Multi Pro 1200/1250
Possible Cause
On affected boom, the sonic boom sensor cover is on sensor.
On affected boom, calibration of the sonic boom sensors is incor-
rect.
The sonic boom sensor is incorrectly installed.
Sonic boom sensor or circuit wiring for affected boom is faulty.
The Toro electronic controller (TEC) or circuit wiring is faulty.
Sonic boom switch is not in the AUTOMATIC position.
Sonic boom sensor covers are on both sensors.
Calibration of the sonic boom sensors is incorrect.
Both sonic boom sensors or circuit wiring are faulty.
The Toro electronic controller (TEC) or circuit wiring is faulty.
Page 9.1 - 25 Ultra Sonic Boom System (Rev. A)