Alarm Code And Trouble Shooting - Parker FL-20-C Series Product Manual

10.3 Alarm Code and Trouble shooting


Do not reset immediately when servo drive malfunctions. At first find the
causation and eliminate completely.

Process failure according to the manual when drive or servo motor
malfunctions. Please contact with distributors or manufacturer directly if
problem still cannot be solved. Do not maintain without authorization.
Alarm
Alarm Name
Code
AL-01 Overcurrent
AL-02 Overvoltage
AL-03 Under-voltage
AL-04 Hardware fault
Electric angle
AL-05
recognition error
CAUTION
Possible Cause
Main circuit wiring error
Output short-circuit
Short-circuit inside of servo
drive or grounding short-circuit
Malfunction because of
interference
Servo drive malfunction
Power supply is too high
Load rotation inertia is too
large
Input voltage is low
Hardware fault inside drive
Motor cable sequence error
296
Treatment
Modify wiring
Cable may be short-circuit,
repair or replace it.
Repair or replace servo drive
Adopt anti-interference
method, improve wiring.
Repair or replace servo drive
Check rated voltage.
Prolong deceleration time
Select external brake resistor
Reduce load
Increase capacity of drive
Check power supply
Check if power supply of
main circuit is powered on.
Contact with manufacturer
Adjust cable sequences,
exchange two of phases.