Robotics in Manufacturing
SRVO-170

SRVO-170: Lack of DSP

The axis control card doesn't have enough DSP processors for the configured number of axes - a configuration-versus-hardware mismatch, usually surfacing after axes were added.

What it means

The axis control card doesn't have enough DSP processors for the configured number of axes - a configuration-versus-hardware mismatch, usually surfacing after axes were added.

Common causes

Ranked by what technicians most often find, most likely first.

  1. Software axis configuration (FSSB line numbers) claiming more axes than the card supports.
  2. Axis card undersized for the system.
  3. Missing auxiliary axis board.

How to fix it

  1. Check the software axis config, especially FSSB line numbers.
  2. If the config is right, the hardware is short: replace the axis card with one carrying enough DSPs, or add an auxiliary axis board.

Quick facts

Category
Servo
Affected series
R-30iB; R-30iB Mate; R-30iB Plus; R-30iB Mate Plus
Alarm family
SRVO

Related codes

Verified against FANUC documentation (B-83284EN-1).Last reviewed: 2026-07-09.Editorial process