Technogym Spazio Forma - The Inverter Is off

SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
Page 6.23
6.4.10. THE INVERTER IS OFF
INVERTER OFF
Replace the inv erter
1
Is the power supply at the
inv erter input OK?
YES
NO
Replace the SF-4A cable
Is the power supply v oltage
output by the relay correct?
YES
2
NO
Carry out rhe procedure
"The power isolating board
is not working"
Is power supply v oltage
reach by the relay correct?
YES
3
NO
Is the supply v oltage at the
CN39 connector correct?
Replace the SF-4B cable
4
NO
Replace CN39 connector
YES
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) Place the tester probe between terminals L1 and N on the inverter. The measured value should
be 220 VAC.
(2) Place the tester probe between fastons 2 and 6 of the K1 relay on the power isolating board.
The measured value should be 220 VAC.
(3) Place the tester probe between fastons 4 and 8 of the K1 relay on the power isolating board.
The measured value should be 220 VAC.
(4) Place the tester probe between terminals L and N on the CN39 connector. The measured
voltage should be 220 VAC.