Symptom
Lights (optional) not working.
Retardant spray (optional) not working.
Steering is unresponsive.
Pitch system not working.
PAGE 44 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
Trowel Troubleshooting (Continued)
Possible Problem
Wiring?
Lights?
Retardant?
Wiring?
Bad switch?
Bad spray pump?
Bad fuse?
Worn components?
Pivots?
Hydraulic pressure?
Wiring?
Actuators?
TROUBLESHOOTING
Solution
Check all electrical connections, including the master
ON/OFF switch and check to see if wiring is in good
condition with no shorts. Replace as necessary.
Check to see if light bulbs are still good. Replace if
broken.
Check retardant level in tank. Fill tank as required.
Check all electrical connections, including the master
ON/OFF switch connections. Replace components and
wiring as necessary.
Check the continuity of the master ON/OFF switch.
Replace if broken.
If pump has a voltage present when the switch is turned
on but does not operate, and electrical connections to
the pump are good, replace the pump.
Check fuse. Replace fuse if defective.
Check for wear of steering bearings and linkage
components. Replace if necessary.
Check to ensure free movement of hydraulic drive motors.
Check to ensure that hydraulic steering pressure is
adequate.
Check and repair wiring and connectors as necessary.
Check pitch system fuses. Replace if necessary.