horsch LEEB 12 TD, Operating Instructions Manual, Page: 88 / 181

Troubleshooting
Fault Possible cause Remedy
Compressor does not start,
even though the tractor is in
operation
Fault on hydraulic valve of compressor or
on solenoid valve in hydraulic valve block
Check and repair, if necessary
(workshop work)
Compressor switched off by ON/OFF-
switch on pressure switch
Switch on compressor
Compressor does not start or
difficult to start, even though
the tractor is in operation
Fault in hydraulic system • Check hydraulic pressure and flow rate,
adjust as necessary (workshop work)
• Check hydraulic motor for leakage,
repair if necessary (workshop work)
Air pressure too low
Electronic pressure switch defective or
incorrectly adjusted
Check and repair or replace, if necessary
(workshop work)
Suction filter blocked Check and replace if necessary
C o m p r e s s o r d o e s n o t
produce compressed air/
runs without load
Output valve incorrectly adjusted or faulty Check and rectify fault (workshop work)
Intake air filter or connection blocked Check and replace the filter or clean the
connection
Oil consumption too high
Piston rings worn Check and rectify fault (workshop work)
Compressor filled with unsuitable oil Fill in suitable oil
Compressor overheats
Compressor block and fan guard soiled Check and clean
Oil level too low Fill in a sufficient amount of oil
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