Or the temperature sensor cable is broken. This alarm indicates that the power module IPM of the main cicruit detected an error. Such as an excessive load or over current. The SVPM does not support output switching control and spindle switching control.
A check is made when the power is turned on. Note: This alarm is issued also if the CNC power is off. This is not a failure though 27 The signal of the a position coder is disconnected. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.
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These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. Servo motor has overheated estimated value. Inverter: DC link undervoltage The input power supply is abnormal open phase or the main circuit capacitor was not recharged within the specified time.
MCC is faulty. Relay contacts for the dynamic brake is faulty. The DC link voltage is abnormally high. Abnormal current alarm L axis The offset of the current detection circuit of the main circuit DC link is excessive. The regenerative discharge unit is heated. Abnormal current alarm M axis Reference position setting cannot be executed correctly. A parameter has been specified incorrectly. Abnormal current alarm N axis External cooling circuit faulty. The input power supply is abnormal open phase.
Alternatively, the VDC power is short-circuited. A parameter that requires power—down has been specified. FSSB communication error. Refer to diagnostic display or for details. Check that the servo interface module and servo amp are connected.
Digital servo system alarm 1 The value set in Parameter No. If you want to use this amplifier, reset the function bit 4 to 0. If you want to use the HC alarm avoidance function, use an amplifier that supports it. The digital servo software detected an abnormality in the motor currentdetection circuit. Possible problems are as follows. FSSB communication was disconnected suddenly. Learning control bit 5 of parameter No. High—speed current loop bit 0 of parameter No.
High—speed interface axis bit 4 of parameter No. PSM: The external dissipator cooling fan failed. PSMR: The external dissipator cooling fan failed. Since they are used in CNC machines, robotics, and other machine applications, we have the ability to help no matter what the application. So, give us the opportunity to repair your Fanuc amplifier today!
All repairs carry a 1 year warranty. We repair Fanuc servo motors , drives, amplifiers, power supplies , monitors, and PLC units. We can also repair spindle motors, drives, amplifiers and power supplies. Repair Zone , your servo motor and Fanuc amplifier repair experts.
We would love to hear your thoughts. Feel free to submit a comment and join the conversation! Notice: It seems you have Javascript disabled in your Browser. In order to submit a comment to this post, please write this code along with your comment: f5a8ef25e3ccc An overview of the Fanuc amplifier unit Start-up procedure. Fanuc A06BH label. Fanuc switch position on servo amplifier.
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