May.20,2026
Fault causes:
Insufficient engine power
Hydraulic pump flow too high
Clogged fuel line under tank
Insufficient water pump pressure
Blocked hydraulic radiator
Boom and arm combined flow too high
Low engine output or improper pressure setting
Poor fuel supply
Solutions:
Check fuel system and filters; replace air filter.
Check hydraulic pressure and adjust pump flow.
Check engine intake to avoid black smoke.
Inspect lines for clogging or air leaks.