Cutting Unit Operating Problems - Toro Greensmaster TriFlex 3300 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 position.
Cutting units will not raise.
Cutting units will not lower.
Electrical System
Possible Causes
Mow switch is faulty or out of adjustment.
A hydraulic problem exists (see Chapter 5 -- Hydraulic
System).
The TEC Controller is faulty.
Wiring to run/mow/backlap circuit components is loose,
corroded or damaged (see electrical schematic in
Chapter 10 -- Foldout Drawings).
Fuse or fuse block is faulty.
Mow switch is out of adjustment.
Mow switch or circuit wiring is faulty.
Mow control manifold solenoid coil PRV or circuit
wiring is faulty.
A hydraulic problem exists (see Chapter 5 -- Hydraulic
System).
The TEC Controller is faulty.
Wiring to raise circuit components is loose, corroded or
damaged (see electrical schematic in Chapter 10 --
Foldout Drawings).
Fuse or fuse block is faulty.
Raise switch in joystick assembly is faulty.
Lift manifold solenoid valve coil(s) (S1, S3 and/or S4)
or circuit wiring is faulty.
A hydraulic problem exists (see Chapter 5 -- Hydraulic
System).
The TEC Controller is faulty.
Wiring to lower circuit components is loose, corroded
or damaged (see electrical schematic in Chapter 10 --
Foldout Drawings).
Fuse or fuse block is faulty.
Lower switch in joystick assembly is faulty.
Lift manifold solenoid valve coil(s) (S1, S2, S3 and/or
S4) or circuit wiring is faulty.
A hydraulic problem exists (see Chapter 5 -- Hydraulic
System).
The TEC Controller is faulty.
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