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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