Simodrive 611 Error 607 -

The AC supply feeding the drive module may be unstable.

WARNING: Hazardous Voltage. Ensure power is disconnected and locked out (LOTO) before performing physical inspections. Wait at least 5 minutes after disconnection to allow DC bus capacitors to discharge.

Error 607 can be attributed to three main categories of failure:

The motor is genuinely working too hard.

Some systems route the pulse enable through external safety relays. A tripped overload relay, open door switch, or high motor temperature can pull the signal low.

Error 607 is fundamentally a communication error between the drive and the power switching device. In 80% of cases, the root cause is a failed contactor coil, a loose wire, or a dirty auxiliary contact. By observing whether the contactor physically engages, the technician can quickly narrow the focus between a power output issue (contactor side) or a feedback input issue (drive side).

Prepared by: Technical Support Division Document ID: SIM-611-ERR607-REV01

Error 607 on a Siemens Simodrive 611 typically signifies a "Current controller output limited" or a "Contouring error". This means the motor is drawing its maximum current but is unable to reach the set position or speed commanded by the control module. Common Causes

Missing Phases or Power Issues: A phase might be missing in the motor supply, or the motor contactor is not engaging.

Cabling and Connectors: Damage to the motor supply cable, loose connectors, or poor contact between the inverter and motor.

Hardware Faults: A defective control module (LT-module) or power section.

DC Link Issues: Problems with the DC link busbar, such as loose connections or insufficient voltage.

Mechanical Resistance: Excessive mechanical load or axis binding that prevents the motor from moving as expected. Recommended Remedies

Check Electrical Connections: Inspect the motor supply cable (the orange cable) and its plugs for damage or loose pins.

Verify DC Link: Check the DC link bus voltage and ensure the busbars are tight and properly connected.

Test the Motor: Measure the impedance of the servo motor directly and through the cable to identify internal shorts or open phases.

Exchange Components: If multiple axes are available, try swapping the control module or the power section with a known working unit to isolate the fault.

Monitor Watchdog/Communication: In some configurations, this code can relate to a watchdog timer expiry on the control module, which often requires replacing the module.

For more technical specifics, you can refer to the official Siemens SiePortal support forums or the SIMODRIVE 611 universal Function Manual. Simodrive 611: error 607 etc. - Siemens SiePortal

In the Siemens Simodrive 611 (often displayed as or CNC alarm ) signifies that current controller output is limited

. This occurs when the drive attempts to reach a setpoint by outputting maximum voltage, but the measured motor current remains below the expected value. Root Causes The most common reasons for this fault include: Physical Disconnection simodrive 611 error 607

: The motor power cable is unplugged, loose, or has a broken phase. Internal Hardware Faults

: A failure within the drive's power section (IGBT module) or the control module itself. DC Link Issues

: Missing or insufficient DC link voltage (typically should be ~600V), or loose busbar screws. Mechanical Blockage

: The axis is mechanically stuck, or a motor brake is failing to release, forcing the drive to its current limit. Troubleshooting & Remedies If you encounter this error, follow these diagnostic steps:

Error 6 on Simodrive after changed motor bearings - SiePortal - Siemens

In the world of CNC maintenance, the Simodrive 611 is a reliable workhorse, but when the LED display flashes Error 607, it’s a clear signal that the drive's current controller has hit its limit. The Story of the Stalled Spindle

The shop floor was humming at peak production until the X-axis on the old lathe suddenly jerked and froze. On the drive module, a bright red "607" appeared. This error, also known as a current controller output limit or contouring error, means the motor is trying to pull maximum current to reach a set position but simply can’t get there.

To solve this mechanical mystery, the technician followed these steps:

The Physical Inspection: First, they checked the motor supply cable and connector for any loose phases or damage. A missing phase can cause the motor to struggle under load, triggering the 607 alarm.

The DC Link Check: They opened the bus cover to inspect the DC link busbars. Loose or corroded connections here prevent the drive from getting the stable voltage it needs to power the motor.

The Mechanical Barrier: Sometimes the error isn't electrical. The technician checked for axis jamming or excessive friction. If the slide is physically stuck, the motor will draw max current trying to move it until the controller gives up.

The Final Swap: When the cables and mechanics proved healthy, the culprit was narrowed down to a faulty power section or control module within the Simodrive unit itself. Troubleshooting Summary for Error 607:

Check Cables: Ensure all motor phases are connected and the orange power cable is intact.

Verify DC Link: Measure the DC bus voltage and ensure the busbar screws are tight.

Inspect Mechanics: Rule out a blocked axis or mechanical overload.

Module Health: If the error persists after a reset and power cycle, consider replacing the SIMODRIVE 611 Power Module or control module.

This paper details the Siemens SIMODRIVE 611 Error 607 , a fault primarily indicating that the current controller output is limited. Siemens SiePortal 1. Fault Overview: Current Controller Output Limited (often displayed as

on the 7-segment display) occurs when the motor cannot reach its setpoint speed or position because it has hit its maximum voltage output, yet it is still drawing maximum current. Effectively, the drive is "maxing out" trying to move the motor but failing to do so. Siemens SiePortal 2. Common Causes Phase Failure:

One of the phases in the motor power cable is missing or disconnected. Mechanical Stall:

The axis is physically jammed or the mechanical load is too high for the motor's capacity. Power Module Fault: Uce monitoring The AC supply feeding the drive module may be unstable

(short-circuit protection) in the power section has triggered, often due to an IGBT failure. Cable Damage: A broken or intermittent motor supply cable or connector. DC Link Issues:

Loose screws on the DC link busbar or insufficient DC link voltage. Siemens SiePortal 3. Troubleshooting and Remedial Actions

If you encounter this error, follow these steps in order of complexity: Step 1: Check External Connections

Inspect the motor supply cable and connectors for loose wires or damage.

Verify all three motor phases are present and making good contact. Step 2: Inspect Hardware DC link busbars and ensure all screws are tight. Test for proper DC link voltage (typically ~600V DC for 400V units). Step 3: Test Mechanics

Check for mechanical sticking or a jammed axis that might be preventing motor rotation. Step 4: Power Cycle & Reset Power-OFF / Power-ON

cycle can reset the Uce monitoring function if it was a transient spike. Step 5: Replace Components

If the error persists after checking cables and mechanics, the control module LT (Power) section may be defective and require replacement. Siemens SiePortal 4. Safety Note Always wait at least 30 minutes

after powering down before opening the module to allow the high-voltage DC link capacitors to discharge. For further detailed technical diagrams, refer to the SIMODRIVE 611 Universal Function Manual Siemens SiePortal Support Forum for testing the motor phases? Simodrive 611 Error Code - Siemens SiePortal 16 Oct 2013 —

In the Siemens Simodrive 611 system, (often appearing as ) indicates that current controller has reached its output limit Siemens SiePortal

Essentially, the drive is pushing as much power as it possibly can to the motor, but the motor still isn't reaching its target position or speed. This creates a "contouring error" where the actual physical movement doesn't match the command. Common Causes & Fixes

The most frequent culprits for this error range from simple cable issues to mechanical blocks: Missing Phases or Loose Connections

: One of the most common reasons is that the motor isn't getting full power. Check the motor supply cables and connectors for loose pins or a missing phase. Mechanical Blockage

: If the axis is physically stuck or the load is too high for the motor to move, the controller will max out trying to force it. DC Link Issues

: Check the DC link busbar to ensure screws are tight and the DC link voltage is present and stable. Feedback/Encoder Problems : While 607 is a current error, a bad encoder or shielded cable

can send "funny" signals that make the servo behave erratically and hit its limits. Faulty Control Module

: If the hardware itself is failing (e.g., thermal stress or a defective time basis

), the error may persist even after mechanical and cable checks. Troubleshooting Steps

Error 6 on Simodrive after changed motor bearings - SiePortal - Siemens

The Siemens Simodrive 611 Error 607 (often seen in SINUMERIK systems) generally indicates a Contouring Error (Following Error). This means Error 607 is fundamentally a communication error between

the actual position of the axis (from the encoder) does not match the command position within the defined tolerance limits Likely Causes Mechanical Resistance:

The motor cannot move as expected due to a physical blockage, excessive friction, or a mechanical "piece" causing a jam in the axis. Encoder/Feedback Issues:

Faulty cables or a bad encoder providing "funny sounds" or incorrect position data. Drive/Control Module Failure:

A hardware fault on the control module or power section identification error. Parameter Settings:

The contouring tolerance limit is set too tight for the machine's current mechanical condition. Recommended Steps Check for Obstructions:

Inspect the axis for any "pieces" of debris or mechanical components that might be jamming the movement. Inspect Cables:

Verify the integrity of the encoder and power cables. Sometimes swapping cables with a known working axis can isolate the problem. Hardware Test:

If the error persists after a restart, consider swapping the control module with another axis to see if the error moves with it. Monitor Load:

Use the CNC's diagnostic screen to check if the drive is hitting its current limit (often linked to Fault Code 6 on related modules). For detailed technical documentation, you can refer to the Siemens SiePortal Support Forum parameter numbers

to adjust the contouring tolerance for your SINUMERIK model? Simodrive 611: error 607 etc. - Siemens SiePortal

In the Siemens Simodrive 611 system, (often displayed as on the drive or on the Sinumerik CNC) indicates that current controller output is limited

. This means the drive is trying to push the required current to the motor by applying maximum voltage, but it cannot achieve the setpoint. Siemens SiePortal Common Causes Missing Phase or Disconnection

: The motor is not properly connected, or one of the power phases is missing. Faulty Cabling

: There may be a break in the motor power cable or a loose connection in the plug. Motor Issues : Internal winding failure or high resistance in the motor. DC Link Problems

: Insufficient DC link voltage (should typically be at least 500V) or loose screws on the DC link busbars. Hardware Failure

: A defect in the power section (IGBT module) or the control module itself. Siemens SiePortal Troubleshooting Checklist Check Power Connections

: Inspect the orange motor power cable and connectors for any signs of damage or loose pins. Measure Motor Resistance

: Use an ohmmeter to check the motor windings for an open circuit or imbalance between phases. Verify DC Link

: Check that the DC link busbars are tight and that the voltage is present and stable. Inspect Control Card

: Ensure the control module is fully inserted into the power section. Power Cycle : Perform a "Power On" reset to clear any transient cap U sub c e end-sub monitoring faults in the power section. Cross-Check Hardware

Display Message: 607 Module Affected: Power Supply Module (PSM / I/R Module). Official Description: “Mains contactor missing” or “Power supply: Mains contactor monitoring has responded.”

Technical Interpretation: The control logic of the Power Supply Module has detected a discrepancy between the command sent to close the mains contactor and the actual feedback signal confirming that the contactor is closed. If the drive commands the contactor to close but does not receive a confirmation signal within a specific timeframe (typically within a few hundred milliseconds), it triggers Error 607 to protect the internal electronics from operating without a stable DC Link supply.

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