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Groundsmaster 4000--D/4010--DPage 5 -- 22Electrical System
Cutting Deck Operating Problems (Continued)
Problem Possible Causes
Cutting decks run, but should not, when lowered with
PTO switch in the OFF (disengage) position.
The PTO switch or circuit wiring is faulty.
The TEC controller is faulty.
Cutting deck(s) do not operate. The operator is lifting off the seat switch.
The cutting decks are not fully lowered.
Traction circuit is not in LOW s peed (mow) mode.
High temperature of engine c oolant or hydraulic oil has
disabled the cutting decks.
Fuse is faulty preventing PTO manifold solenoids from
being energized.
The seat switch or circuit wiring is faulty.
The PTO switch or circuit wiring is faulty.
The deck position switch or circuit wiring is faulty.
The HI/LOW speed switch or circuit wiring is faulty.
Hydraulic valve solenoid(s) or circuit wiring to the
affected deck(s) is faulty.
A hydraulic problem in the mow circuit exists (see
Troubleshooting section of Chapter 4 -- Hydraulic
System).
The TEC controller is faulty.