The Display Shows "E5 - Technogym Forma Service Maintenance Manual

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"

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Page 6.28
Does the CPU board send the
correct drive signal?
YES
Does the correct drive signal
reach trailing connector CN28?
YES
Dose the driver board receive the
correct drive signal?
YES
Do the relays on the driver board
commutate correctly?
YES
A
FORMA: Service & Maintenance manual - rev. 3.0
1
NO
Replace the CPU board
2
NO
Check and/or replace
cable FR-11
3
NO
Check and/or replace
cable FR-12
4
NO
Replace the relays on the
driver board