Cutting Deck Lift/Lower Problems - Toro Groundsmaster 5900 Series Service Manual

Cutting Deck Lift/Lower Problems

Troubleshooting:
Check the InfoCenter Display for any operator advisories or faults that may
appear. Use the InfoCenter Display Diagnostics feature to help identify the
problem (see DIAGNOSTICS SCREENS (page
Problem
None of the cutting decks will lower.
None of the cutting units will raise.
Front cutting deck will not raise or lower, but
both wing cutting decks will raise and lower.
Possible Cause
Operator is not fully depressing the seat switch.
Traction unit is not in LOW speed (mow) mode.
Slave TEC fuses (F−A2, F−B2, F−C2, F−D2)
are faulty.
The seat switch or circuit wiring is faulty.
The HI/LOW speed switch or circuit wiring is
faulty.
Lift control manifold solenoid coil S1 or circuit
wiring is faulty.
A hydraulic problem in the lift/lower circuit
exists (see
5–1)).
Slave TEC is faulty.
Lift control manifold solenoid coil S1 or circuit
wiring is faulty.
If Operator is in seat:
Operator is not fully depressing the seat
switch.
Seat switch or circuit wiring is faulty.
If Operator is not in seat:
Parking brake is not set.
Parking brake switch or circuit wiring is
faulty.
Traction pedal is not in neutral.
Traction pedal switch or circuit wiring is
faulty.
A hydraulic problem in the lift/lower circuit
exists (see
5–1)).
Slave TEC is faulty.
Front deck raise/lower switch or circuit wiring
is faulty.
Lift control manifold solenoid coils S5 or S6 or
circuit wiring is faulty.
A hydraulic problem in the lift/lower circuit
exists (see
5–1)).
Slave TEC is faulty.
Page 3–14
6–22)).
Chapter 5: Hydraulic System (page
Chapter 5: Hydraulic System (page
Chapter 5: Hydraulic System (page
Groundsmaster ®
16227SL Rev B
5900 & 5910