Fault code88
Watchdog indicating fault in servo amplifier parts. The manual's first action is: “Change servo amplifier.”
- Model
- MELSERVO MR-J2S- /L50132B
- Display shows
- Watchdog (88)
- Type
- Fault code
- Source
- Manual p. 108
What 88 means
Watchdog p. 113
Common causes
- Fault of parts in servo amplifier p. 113
What to do
- Change servo amplifier. p. 113
Before you service the product, read the safety instructions in the manual p. 2.
If 88 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 88; 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.