Alarm code10
Undervoltage occurs when the power supply voltage drops to 160V or less for MR-J2S □B, or 83V or less for MR-J2S □B, due to a power failure or insufficient capacity. The manual's first action is: “Review the power supply.”
- Model
- MELSERVO MR-J2S- /L50132B
- Display shows
- Undervoltage (10)
- Type
- Alarm code
- Source
- Manual p. 108
What 10 means
Undervoltage p. 109
Common causes
- Power supply voltage dropped. MR-J2S □B: 160V or less MR-J2S □B: 83V or less p. 109
- There was an instantaneous control power failure of 60ms or longer. p. 109
- Shortage of power supply capacity caused the power supply voltage to drop at start, etc. p. 109
- Power was restored after the bus voltage had dropped to 200VDC. (Main circuit power switched on within 5s after it had switched off.) p. 109
- Faulty parts in the servo amplifier p. 109
What to do
Before you service the product, read the safety instructions in the manual p. 2.
If 10 is still not resolved
- contact service / dealer p. 2 “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. 3 “Any person who is involved in wiring and inspection should be fully competent to do the work.”
This page summarises what the manufacturer’s manual says about 10; 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 MELSERVO. Found a mistake? Report an error.