The Inverter Display Shows E09 - Technogym Forma Service Maintenance Manual

FORMA: Service & Maintenance manual - rev. 3.0
6.3.4. T
HE INVERTER DISPLAY SHOWS
This inverter error message is related to low line voltage problems on the inverter power supply.
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.
E09
Does the machine resume
correct operation after being
turned off for 1 minute?
NO
1
Is the power supply at the
inverter input OK?
NO
2
Is the supply voltage at the
filter input correct?
YES
3
Is the supply voltage at the
filter output correct?
YES
Check and reinstate the
wiring between the filter
and inverter
E09
YES
Probable low line voltage.
The machine is OK
YES
Replace the inverter
Check and reinstate the
NO
wiring between the power
input socket, automatic
circuit breaker and filter
NO
Replace the filter
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