Jacobsen Eclipse 322, Repair Manual

Page: 198 / 336

4-124 4222983 Second Edition
ELECTRICAL
4
Raise/Lower Circuit
Perform a factory reset and actuator calibration
before replacing RCU.
Cutting units will not raise.
Cutting units will not lower.
Left cutting unit will not raise and lower.
Center cutting unit will not raise and lower.
Probable Cause Remedy
Faulty raise switch. Test raise switch using LCD display “Switch Test”. (See “Switch Test” on page 4-85.)
If the raise switch does not activate during the LCD “Switch Test”, bench test the switch.
(See “Raise/Lower Switch Assembly Test” on page 4-131.)
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.
Probable Cause Remedy
Faulty lower switch. Test lower switch using LCD display “Switch Test”. (See “Switch Test” on page 4-85.)
If the lower switch does not activate during the LCD “Switch Test”, bench test the switch.
(See “Raise/Lower Switch Assembly Test” on page 4-131.)
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.
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 left reel enable switch Test left reel enable switch using LCD display “Switch Test”. (See “Switch Test” on
page 4-85.)
If the left 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
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 center reel enable switch Test center reel enable switch using LCD display “Switch Test”. (See “Switch Test” on
page 4-85.)
If the center reel enable switch does not activate during the LCD “Switch Test”, bench test
the switch. (See “Rocker Switches Test” on page 4-130.)