Cutting Unit Operating Problems - Toro Greensmaster TriFlex 3320/3420 Service Manual

Cutting Unit Operating Problems

NOTE: Check Diagnostic Light (serial number below
312000000) or InfoCenter display (serial number above
312000000) for possible operator advisories or faults
whenever diagnosing machine electrical problems.
Problem
Cutting units will not raise.
Cutting units will not lower.
Cutting units run (but should not) when raised.
Greensmaster 3320/3420
Possible Causes
Wiring to raise circuit components is loose, corroded or
damaged (see electrical schematic in Chapter 10 --
Foldout Drawings).
Fuse or fuse block is faulty (see Fuse Block in the
Component Testing section of this chapter).
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 (fault code should have
been generated).
Wiring to lower circuit components is loose, corroded
or damaged (see electrical schematic in Chapter 10 --
Foldout Drawings).
Fuse or fuse block is faulty (see Fuse Block in the
Component Testing section of this chapter).
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 (fault code should have
been generated).
Mow switch is faulty or out of adjustment.
The TEC Controller is faulty (fault code should have
been generated).
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