Alarm codeAL.32
Overcurrent alarm occurs from short circuits in servo amplifier output phases, faulty transistors (TPM), or ground faults on output phases. The manual's first action is: “Power OFF→ON”
- Model
- Mitsubishi Electric MR-J2S-A
- Display shows
- Overcurrent (AL.32)
- Type
- Alarm code
- Source
- Manual p. 69
What AL.32 means
Overcurrent p. 200
Common causes
- 1. Short occurred in servo amplifier output phases U, V and W. p. 200
- 2. Transistor (TPM) of the servo amplifier faulty. p. 200
- 3. Ground fault occurred in servo amplifier output phases U, V and W. p. 200
- 4. External noise caused the overcurrent detection circuit to misoperate. p. 200
- 5. Improper wiring of the regenerative brake option. p. 200
What to do
- Power OFF→ON p. 200
- Press "SET" on current alarm screen. p. 200
- Alarm reset (RES) p. 200
- Correct the wiring. p. 200
- Change the servo amplifier. p. 200
- Take noise suppression measures. p. 200
- Wire the regenerative brake option correctly. p. 200
Before you service the product, read the safety instructions in the manual p. 3.
If AL.32 is still not resolved
- contact service / dealer p. 3 “Do not attempt to install, operate, maintain or inspect the servo amplifier and servo motor until you have read through this Instruction Manual, Installation guide, Servo motor Instruction Manual and appended documents carefully and can use the equipment correctly.”
- contact service / dealer p. 4 “Do not attempt to wire the servo amplifier and servo motor until they have been installed. Otherwise, you may get an electric shock.”
This page summarises what the manufacturer’s manual says about AL.32; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Mitsubishi Electric. Found a mistake? Report an error.