Technogym Forma - The Display Shows E5

FORMA: Service & Maintenance manual - rev. 3.0
Page 6.28
6.7. THE DISPLAY SHOWS “E 5”
The machine displays this error if:.
• it receives an up-down motor alarm signal from the driver board;
• it fails to receive an encoder feedback signal after having actuated the motor.
THE DISPLAY SHOWS "E5"
Does the CPU board send the
correct drive signal?
Does the correct drive signal
reach trailing connector CN28?
YES
NO
YES
1
2
Dose the driver board receive the
correct drive signal?
NO
NO
Check and/or replace
cable FR-12
YES
3
A
Replace the CPU board
Check and/or replace
cable FR-11
NO
Replace the relays on the
driver board
Do the relays on the driver board
commutate correctly?
4
YES
Continued on the following page.