Troubleshooting guide
Symptom Probable Cause/Corrective Action
LED does not light up No current in the outlet. Check the fuses.
Right trafo? Check so that the trafo information in section
“Facts” is in accordance with the trafo used.
No connection to PC Check cable.
Right COM port?
Drivers missing when using the USB-serial adaptor. CD with
drivers is included.
Is the right type cmd set?
Does not load work Check rpm (no force is applied if rpm is less than the pedal low
ref. Default 30 rpm)
Check calibration
No heart rate 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 chestbelt is positioned correctly on test person
and tight enough.
Check that the electrodes are wet, in some 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 pulse receiver (pulse 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.
Uneven heart rate Use an external unit, for example a pulse 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.
If irregular pulse remains we recommend measuring HR
manually. If HR still remains irregular at workload, test
person’s health needs to be examined.
No rpm reading Check cable.
Unable to calibrate force Potentiometer belt may be slipping or broken. Replace if
damaged.
Potentiometer misadjusted.
Reboot memory from service menu (99). Set default (3).
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 arms 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.
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