Trouble shooting guide
Symptoms Probable Cause / Corrective Action
LED does not light up No current in the outlet. Check the fuses. •
Right transformer? Check so that the trafo information in section “Facts” is in •
accordance with the trafo used.
Looseness in the cord (directly on the box). Contact service centre for action / •
replacement.
Power switch (on / off).•
No connection to PC Check cables.•
Right COM port?•
Drivers missing when using the USB-serial adaptor. CD with drivers is included. •
Is the right type cmd set? "Start beep" = cmd type, see section "What commandotype •
is set".
No workload Pendulum stuck. Contact service centre for action / replacement. •
Looseness in the motor connector. Contact service centre for action / replacement. •
Check that the pedal speed is higher than 30 rpm. No workload is put on if the actual •
pedal speed is lower than 30 rpm. See "Service menu" pedal reference. The default
setting is 30 rpm but can be adjusted to the desired value.
Check calibration.•
No heart rate is displayed Check the chestbelt (battery). Wet the thumbs and place them on the electrodes. A low •
clicking sound will appear near battery lid while you click on the electrodes with one
thumb. Use another external HR monitor to check the belt.
Check that the chest belt is positioned correct on test person and tight enough. Check •
that the electrodes are wet, in hard cases it is necessary to use a contact gel or a mixture
of water with a few drops of washing-up liquid. The level for HR signal can vary
from person to person. Put chestbelt on another known person who has a good pulse
rendering.
Check for loose cables or jack if you have a plug-in receiver. Use another HR receiver •
(HR watch or test bike monitor) to check the chestbelt.
Check that it is the correct receiver and that it is in the correct place. If it has a round •
Polar-sticker it should be placed straight.
No rpm reading Check cable.•
Unable to calibrate force Potentiometer belt may be slipping or broken. Replace if damaged. •
The potentiometer is misadjusted. Reboot memory from service menu (99). Set default •
(3). Then calibrate the electronics again.
Uneven heart rate Use an external unit for example a HR watch to check if it also indicates irregular •
pulse. If this is the case, there is probably disturbance in the room. Magnetic fields from
high voltage cables, elevators, fluorescent tube etc. can cause the disturbance. Other
electronic equipment could be placed too close. Move the bike to a different location in
the room or change rooms. If an irregular HR remains it should be checked manually
If the HR remains irregular at work the person's health should be examined.
There is a click noise with every pedal
revolution (increases with the weight)
The pedals are not tight. Tighten them or change pedals. •
The crank is loose. Check, tighten.•
The base bearing is loose. Contact your dealer for service. •
Scratching sound is heard when
pedalling
Check that the carriage block is taken off and that none of the covers is scratching. •
There is a click noise and a squeak noise
when pedalling
Loosen the chain. •
Any problems with the computer
software
Send an email to the software developer HUR labs support: software@hur.fi•
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