horsch Maestro 12.45 CV, Operating Instructions Manual

Page: 112 / 155

Fault Possible cause Remedy
Seed capacity, grain spacing or
grain deposit faulty
Wrong number of holes of metering
disc
Enter the correct number of holes of
the metering disc in the E-Manager
under Fruit parameters .
Wrong speed signal • Check speed.
• Travel the test section (100 m) once
more, if necessary.
Wrong row spacing configured Check the row spacing in the
E-Manager on the parameter screen.
Trap roller worn or damaged Check trap roller and replace, if
necessary.
Seed grains are scattered Working speed too high Match the working speed.
Downpipe not correctly assembled,
blocked or defective
Correct the assembly or replace the
downpipe.
Trap roller defective or hard to move Replace trap roller.
One row does not drill Foreign object in metering unit Clean the metering unit.
Overpressure connection interrupted • Check vacuum connection and
hose.
• Empty the frame, see Cleaning.
Motor defective Replace fuses.
Replace motor (workshop work).
Downpipes or drill discs clogged Drill has been lowered and rolled
backwards.
Move the drill only forward when
lowered.
Support skid installed under moist
conditions
• Remove support skid and install
clearing unit.
• Place trap roller in parking position.
Current consumption too high Gap between metering disc and
metering housing too small
Adjust the metering disc.
Dirt between housing and metering
disc
Clean metering system.
Irregular fertiliser distribution Fan speed set incorrectly Adjust setting and measure transverse
distribution.
Air losses - fall sluice, calibration co-
ver, tower or hoses leaking
Eliminate leakages.
Fan suction filter blocked Clean the suction area.
Deposits in the distributor Clean the distributor.
Not enough fertiliser is placed Calibration not correct Repeat the calibration.
Seed bridging in hopper Use free-flowing fertiliser.
rotor sticking Clean the metering unit.
Radar faulty Calibrate radar.
Too much fertiliser is placed Calibration not correct Repeat the calibration.
108 MF