ELECTRICAL
4222983 Second Edition 4-125
4
Right cutting unit will not raise and lower.
Mow Circuit
Machine will not mow.
Probable Cause Remedy
Actuator Not Calibrated Complete maintenance mode calibration or factory reset. Verify fault is eliminated.
Faulty connections. Check connections; make sure connections are clean and tight.
Faulty wiring harness. Make sure wiring harness is free of nicks and cuts and not pinched to machine frame.
Faulty right reel enable switch Test right reel enable switch using LCD display “Switch Test”. (See “Switch Test” on
page 4-85.)
If the right reel enable switch does not activate during the LCD “Switch Test”, bench test
the switch. (See “Rocker Switches Test” on page 4-130.)
Probable Cause Remedy
Seat switch open Verify MCU seat switch LED is ON when seated. If not, verify maintenance mode seat
switch status screen on the LDU
Faulty mow switch. Test mow switch. (See “Switch Test” on page 4-85.) (See “Mow Switch Test” on
page 4-129.)
Faulty connections. Check connections; make sure connections are clean and tight.
Faulty wiring harness. Make sure wiring harness is free of nicks and cuts and not pinched to machine frame.