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5. ALARMS
ALARM 1:
DESCRIPTION
PROBLEM:
Current is not detected in the proportional solenoid valve. Proportional solenoid valve
connector disconnected, faulty proportional solenoid valve, faulty PSC electronic board
ALARM 2
DESCRIPTION
PROBLEM:
Hydraulic motor movement is not detected.
PTO not engaged, mechanical block, faulty motor encoder, proportional solenoid valve
blocked, faulty PSC electronic board
ALARM 3
DESCRIPTION
PROBLEM:
Incorrect supply voltage
Poor performance of tractor alternator, problems with electrical connections, faulty
PSC electronic board
ALARM 4
DESCRIPTION
PROBLEM:
Oil flow not sufficient for the current speed: proportional solenoid valve open more
than 95%
PTO turns too low, working speed too high
ALARM 5
DESCRIPTION
PROBLEM:
Wheel encoder turns in the opposite direction, A and B phases inverted
