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Operating Instructions
153 146 151
C 9.92
Malfunctions, causes, remedy
Malfunction Cause Remedy
Many malfunctions Some parameters out of adjustment Upload "standard values" with Opus or
PC software
Keys respond too slowly Set to "slow" Can be set to "fast" with Opus or PC
software
Keys "stay put” instead of "returning" Out of adjustment Adjust with Opus or PC software
Hydraulic accumulator inoperative Switched off
Electronic pressure sensor defective
Desired value too low
Function switched to rear lift
Turn on with membrane keyboard
Replace
Change at electronic pressure sensor
Change to "front" with Opus
Hydraulic accumulator pulsating
strongly
Desired pressure value and
hysteresis (sluggishness) too low or
too high
Weight of attachment is too low
Hydraulic accumulator defective, no
resilience determinable
Change values at electronic pressure
sensor
Switch the hydraulic accumulator off
Renew the hydraulic accumulator
Way valve leaking Foreign particles in the seat valve Remove, clean or replace the valve
cartridge