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C 4.74
Operating instructions
146 149 443
Troubleshooting guide
Problem Cause Remedy
Many malfunctions Some parameters out of adjustment Load “default settings” with Opus or
PC software
Buttons respond too slowly Set incorrectly to “slow” Can be set to “fast” with Opus or PC
software
Buttons “locked” instead of “active” Set incorrectly Can be set with Opus or PC software
Hydraulic implement cushioning
inoperative
Turned off
Electronic pressure sensor defective
Specified pressure too low
Function switched to rear power lift
Turn on with keyboard
Replace
Change on electric pressure sensor
Set to “Front” with Opus
Implement cushioning pulsing a lot Specified pressure and hysteresis
too low or too high
Implement weight too low
Hydraulic pressure accumulator
defective, no cushioning noticeable
Change pressure sensor settings
Turning off the implement cushioning
Renew pressure accumulator
Position control inoperative
Actual value transmitter (angle
sensor) defective
Angle sensor adjusted incorrectly
Angle sensor with incorrect range
setting
Renew
Readjust acc. to specifications
Increase higher value with specified
value potentiometer, decrease lower
value