Name: SERVOSTAR 603 Kollmorgen SERVOSTAR 6 servo drive
Price: 3435 CNY
Availability: InStock

Description

Alarm Code & Indicator Light Interpretation

First, confirm the alarm code displayed on the drive’s panel or via the control software (e.g., SRS Setup Software), as it directly points to the fault category.

Common Alarm Codes:

ALM 01 (Overcurrent): Short circuit in output stage or motor winding.

ALM 02 (Overload): Excessive load torque or prolonged overload operation.

ALM 03 (Undervoltage): Unstable input power supply or insufficient voltage.

ALM 05 (Position Deviation): Mismatch between command signal and actual position.

ALM 10 (Motor Overheating): Motor temperature exceeds the rated threshold.

Indicator Status:

Power indicator (PWR) off: Check power supply and wiring.

Fault indicator (FAULT) solid red: Critical fault; stop operation immediately.

Warning indicator (WARN) flashing: Potential issue (e.g., impending overload); monitor closely.

Common Fault Troubleshooting

2.1 No Power Output (Drive Fails to Start)

Symptom: PWR indicator off, no response to start commands.

Troubleshooting Steps:

Verify the input power supply (voltage range: 200–240V AC for single-phase, 380–480V AC for three-phase) and check for loose or damaged power terminals.

Inspect the emergency stop (E-STOP) circuit and safety interlock to ensure they are reset.

Check the drive’s internal fuse; replace if blown (use the same rated specification).

2.2 Overload Alarm (ALM 02)

Symptom: FAULT indicator lights up, alarm ALM 02 is triggered during operation.

Troubleshooting Steps:

Check if the mechanical load is jammed or exceeds the drive’s rated torque; eliminate obstacles or reduce load.

Verify the motor’s rated current matches the drive’s parameter setting (Parameter P1-01); adjust if inconsistent.

Inspect the cooling system (fans, heat sinks) for blockage; clean or replace faulty cooling components.

2.3 Position Deviation Alarm (ALM 05)

Symptom: Drive operates but fails to reach the target position, alarm ALM 05 is displayed.

Troubleshooting Steps:

Check the encoder wiring (signal lines A/B/Z) for loose connections or interference; use shielded wires and separate from power lines.

Verify the position loop gain (Parameter P2-01) and integral time (P2-02); adjust for better dynamic response.

Inspect mechanical transmission components (gears, belts, lead screws) for backlash or wear; repair or replace if necessary.

2.4 Motor Jitter or Abnormal Noise

Symptom: Motor vibrates violently or emits unusual sounds during operation.

Troubleshooting Steps:

Check if the motor is properly grounded and the wiring is correct (no phase reversal for three-phase motors).

Verify the drive’s current loop parameters (P3-01 to P3-03); optimize to reduce torque ripple.

Inspect the motor bearing for wear or lack of lubrication; maintain or replace the motor.

General Troubleshooting Process

Safety First: Disconnect the power supply before checking wiring or disassembling components to avoid electric shock.

Visual Inspection: Check for loose terminals, damaged wires, overheating marks, or oil leakage in mechanical parts.

Parameter Verification: Compare the drive’s current parameters with the factory default or standard settings; restore defaults if modified incorrectly.

Isolation Test: Disconnect the motor and run the drive in no-load mode to determine if the fault is from the drive or the mechanical system.

Tool Assistance: Use a multimeter to measure input/output voltage/current, and an oscilloscope to check encoder signals or command pulses.

SERVOSTAR 603 PDF
SERVOSTAR 603

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