C 9.92, Operating instructions, Malfunctions, causes, remedy – Holder C 9.92 H User Manual
Page 154

C 9.92
Operating Instructions
152
153 146
Malfunctions, causes, remedy
Troubleshooting also with Opus (Order No. 204-80-70) or PC
software in the menu
•
Keyboard check: keys of the membrane keyboard.
•
Output functions: functions XO...Y3, check if box
provides current for valves.
•
Hydraulic accumulator: functions of the hydraulic
accumulator.
•
Specified value channel.
•
FCE1: Joystick functions.
•
Diagnosis of master inputs.
•
Diagnosis of BKN nodes.
Malfunction
Cause
Remedy
No build-up of pressure
Slide valve in input plate is stuck
(foreign particles)
Remove, clean or plate replace the
slide valve
Strong flow rate fluctuation or too little
flow of priority flow valve I
Low oil flow
Increase RPM, reduce consumption of
2nd load