Cutting Unit Operating Problems
Problem
Possible Causes
Cutting units run (but should not) when raised.
Joy stick relay R7 is faulty or shorted.
Solenoid valve S1 is faulty.
Mow relay is faulty or shorted.
Mow sensor is shorted.
Cutting units do not run when lowered with the
Functional Control Lever in the MOW or NEUTRAL
position.
Wiring to run/mow/backlap circuits (see Wiring
Schematics) components is loose, corroded, or
damaged.
Fuse block or fuse is faulty.
Solenoid valve S1 is faulty.
Mow sensor and/or mow relay is faulty or grounded.
Raise switch and/or joystick relay R7 is faulty or
grounded.
Cutting units will not raise.
Wiring to run/mow/backlap circuits (see Wiring
Schematics) components is loose, corroded, or
damaged.
Fuse block or fuse is faulty.
Solenoid valve S3 and/or S2 is faulty.
Diode D1 is open.
Raise switch and/or raise relay is faulty or grounded.
Cutting units will not lower.
Wiring to run/mow/backlap circuits (see Wiring
Schematics) components is loose, corroded, or
damaged.
Fuse block or fuse is faulty.
Diode D2 is open.
Raise switch is faulty.
Lower switch is faulty.
Joystick relay is faulty.
6
second timer is faulty.
Solenoid valve S2 or S4 is faulty.
Lower relay is faulty.
Greensmaster 3250−D
Electrical System (Rev. C)
Page 5 − 7
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| Tags | Toro Greensmaster 3250 D |
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| Document Type | Service Manual |
| Language | English |
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