SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
Page 6.14
6.4.4. THE INVERTER DISPLAY SHOWS E09
This inverter error message is related to low line voltage problems on the inverter power supply.
Does the machine resume
correct operation af ter being
turned of f f or 1 minute?
YES
Probable low line v oltage.
The machine is OK
Replace the inv erter
NO
E09
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 the power supply v oltage
reach by the relay correct?
YES
3
NO
A
Is the supply v oltage at the
f ilter input correct?
NO
Check and reinstate the
wiring between the power
input socket, automatic
circuit breaker and f ilter
YES
4
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