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6.4.4.
T
HE INVERTER DISPLAY SHOWS
This inverter error message is related to low line voltage problems on the inverter power supply.
Continued on the following page.
Page 6.14
E09
Does the machine resume
correct operation af ter being
turned of f f or 1 minute?
NO
1
Is the power supply at the
inv erter input OK?
NO
2
Is the power supply v oltage
output by the relay correct?
NO
3
Is the power supply v oltage
reach by the relay correct?
NO
4
Is the supply v oltage at the
f ilter input correct?
YES
A
SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
E09
YES
Probable low line v oltage.
The machine is OK
YES
Replace the inv erter
YES
Replace the SF-4A cable
YES
Carry out rhe procedure
"The power isolating board
is not working"
Check and reinstate the
NO
wiring between the power
input socket, automatic
circuit breaker and f ilter
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