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SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
6.2. THE DISPLAY SHOWS "SAFETY SWITCH"
The machine displays this message if:
• The "Safety switch" is tripped during a training session.
• The emergency system is damaged.
Replace the CPU board
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 probes between pins 1 and 2 of connector EM on the CPU board. The contact
should be closed when the Safety switch is correctly positioned on the display, and open when
the Safety switch is detached from the display.
THE DISPLAY SHOWS
"SAFETY SWITCH"
Did the user disconnect the saf ety
switch during the training session or at
the start?
YES
Does the reed contact switch f rom
open to close and v ice v ersa when the
"saf ety switch" is connected and
disconnected?
YES
NO
1
NO
Correct operation
Replace the reed relay
Page 6.7
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