This indicates the hydraulic oil pilot line filter is clogged.
Stop the engine and replace the filter.
Replace the filter immediately if the lamp flashes.
Refer to page 126, “Replacing the Pilot Line Filter.”
IMPORTANT: Continuing to operate the machine
while the lamp is lit could damage the line filter and
hydraulic equipment.
Cold weather operation: Hydraulic oil is not heated.
Refer to page 75, “Warming up the hydraulics.”
Pilot line filter
warning lamp