CodeRegistry
Brands
  1. Home
  2. husqvarna
  3. FS5000 D / FS7000 D
  4. U100087
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

U100087

U100087 - I/O Controller no CAN communication

husqvarna · FS5000 D / FS7000 D

What does U100087 mean?

There is no CAN communication with the I/O Controller. The engine cannot be started, and no machine functions can be controlled.

Common Causes

  • Damage to the HMI connector.
  • Damage to the chassis harness.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect the HMI connector and the chassis harness for any damage.

  2. 2

    Repair any damage found.

  3. 3

    Restart the system and reset the fault code.

  4. 4

    If the problem persists, contact your service agent for further information.

Browse all codes in this manual (35)
Verified technical data. Last updated: April 2026

Related Faults

C1D0111C1D0111 - Starter circuit short to groundC1D0115C1D0115 - Starter circuit short to battery or openC1D0211C1D0211 - AUX2 circuit short to ground
Source: Husqvarna FS5000 D / FS7000 D
Open Manual (Page 57)Search more codes in this manual