Technogym Forma - The Inverter Display Shows E21

FORMA: Service & Maintenance manual - rev. 3.0
Page 6.20
6.3.8. T
HE INVERTER DISPLAY SHOWS
E21
This inverter error message is associated with problems of high inverter temperature.
YES
Replace the inverter
E21
Does the machine resume
correct operation after being
switched off for 1 hour?
Probable overheating of
the inverter. The machine
is OK.
NO