SUNWARD SWE155F - Page 173

OPERATION & MAINTENANCE MANUAL SWE155F
166
Displayed
temperature of
coolant do not
reflect real
temperature
Defective temperature sensor
Defective wiring circuit
Defective indicator
Contact your designated distributor
Check circuit and repair, or Contact your
designated distributor
Contact your designated distributor
Mode selection
Problem
Cause
Remedy
Work mode
selection does not
work
Defective indicator
Defective controller
Defective solenoid valve
Defective wire circuit
Contact your designated distributor
Contact your designated distributor
Contact your designated distributor
Contact your designated distributor
High/low travel
speed selection does
not work
Travel pilot pressure switch
Defective controller
Defective solenoid valve
Defective wire circuit
Travel motor
Contact your designated distributor
Contact your designated distributor
Contact your designated distributor
Contact your designated distributor
Contact your designated distributor
Hydraulic system
Problem
Cause
remedy
Hydraulic function
slow
Low hydraulic oil level
Low hydraulic oil temperature
Oil type do not match
ambient temperature
Low engine revs
Main pump wear out
Pilot oil circuit malfunction
Main suction oil pump
blocked
Add hydraulic oil until specified scale level is
reached
Warm up operation until hydraulic temperature
reaches around 50℃.
Use proper oil
Adjust engine revs or contact distributor
Contact distributor
Contact distributor
Contact distributor