3.6. Troubleshooting
Problem
For GR-MG74 / GR-
MG75 / GR-MG78:
The display is faded
or flashing.
The
product
wobbly or tilting.
The
handlebar
rattling.
The product makes
unusual noise.
No resistance during
the training.
Possible cause
Low battery.
is
1. Uneven surface.
2. The support legs are
incorrectly installed.
is
The
bolts
handlebar and the post/tube
became loose over time or
have not been tightened
well.
The bolts are overtightened.
1. Flywheel failure.
2. Resistance setting dial
failure.
4. Failed bearing.
between
the
Remedy
Replace the batteries.
1. Move the bike to a level
surface.
2. Retighten or reinstall the
support legs properly.
Retighten the bolts.
Release the bolts a bit.
1. Inspect and replace.
2. Inspect and replace.
4. Inspect and replace.