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Giant (SyncDrive / RideControl) error code

Giant (SyncDrive / RideControl) error LED5: Motor overheated / heat issue

Low severity When convenient

Can I ride home with this error?

Ride with caution. Let it cool; you can pedal without assist meanwhile.

What it means

Assist LED 5 blinking with the red light means the motor is too hot. Giant advises letting the bike cool and restarting after a few minutes.

Likely causes

  • Long climbs, heavy loads or hot weather in high assist

Symptoms

  • Red blinking LED 5
  • Assist stops or reduces

How to fix it

  1. Stop and let the bike cool for a few minutes.
  2. Restart the system.
  3. Use a lower assist level on long hot climbs to reduce motor stress.
  4. If the issue keeps returning, stop riding and contact an authorised Giant dealer.
Still showing LED5? The RideFixer app finds bike shops near you, so you know where to take it.

How urgent is it?

Normal heat protection; only see a dealer if it keeps happening.

Applies to

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