There Is No Resistance - Technogym Top 600 XTPRO Service Maintenance Manual

TOP 600 XTPRO: Service & Maintenance Manual - rev. 2.0

6.2. THERE IS NO RESISTANCE

This error can be caused by absence of the speed signal, problems with the excitation circuit,
overheating of the alternator or defective alternator brushes.
Replace the brushes
Follow the procedure step by step to correctly diagnose the problem. Take particular care with the
checks highlighted by circled numbers, which are described in detail below:
(1) Disconnect the orange cable (excitation) from the alternator. Place the tester probes between
the point where it was connected and the black cable. The measured resistance should be
approximately 4 Ohm.
THERE IS NO
RESISTANCE
Are the Watt and RPM
values shown on the display
different from zero?
Is the alternator excitation
circuit ok?
NO
Is the alternator
overheated?
NO
YES
1
YES
NO
YES
Execute the procedure
"The RPM valuel is
incorrect"
Execute the procedure
"The resistance is
incorrect"
Allow it to cool down and
then try again. The
thermal cutout is probably
tripped.
Page 6.5