Cutting Unit Operating Problems - Toro 04384 Service Manual

Cutting Unit Operating Problems

Problem
Cutting units run (but should not) when
raised.
Cutting units do not run when lowered
with the Functional Control Lever in
the MOW or NEUTRAL position.
Cutting units will not raise.
Cutting units will not lower.
Greensmaster 3250--D
Possible Causes
Joystick relay or circuit wiring is faulty.
Solenoid valve S1R1 or circuit wiring is faulty.
Mow relay or circuit wiring is faulty.
Mow sensor or circuit wiring is faulty.
Fuse F1 (10 ampere) or fuse block is faulty.
Solenoid valve S1R1 or circuit wiring is faulty.
Mow sensor or circuit wiring is faulty.
Mow relay or circuit wiring is faulty.
Joystick raise switch or circuit wiring is faulty.
Joystick relay or circuit wiring is faulty.
Wiring to run/mow/backlap circuit components is loose, corroded or
damaged (see Electrical Schematic in Chapter 9 -- Foldout Drawings).
Fuse F2 or fuse block is faulty.
Solenoid valve S2 or circuit wiring is faulty.
Solenoid valve S3 or circuit wiring is faulty.
Diode D1--D or circuit wiring is open.
Joystick raise switch or circuit wiring is faulty.
Raise relay or circuit wiring is faulty.
Wiring to run/mow/backlap circuits (see Electrical Schematic in Chapter
9 -- Foldout Drawings) components is loose, corroded or damaged.
Fuse F2 or fuse block is faulty.
Diode D1--A or circuit wiring is open.
Joystick raise switch or circuit wiring is faulty.
Joystick lower switch or circuit wiring is faulty.
Joystick relay or circuit wiring is faulty.
6 second timer or circuit wiring is faulty.
Solenoid valve S2, S4 or circuit wiring is faulty.
Lower relay or circuit wiring is faulty.
Wiring to run/mow/backlap circuit components is loose, corroded or
damaged (see Electrical Schematic in Chapter 9 -- Foldout Drawings).
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Electrical System