The Inverter Display Shows E15 - Technogym Forma Service Maintenance Manual

6.3.7. T
HE INVERTER DISPLAY SHOWS
This inverter error message is caused by high voltage problems on the inverter power supply line.
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) Insert the tester probes between terminals L1 and N of the inverter. The measured voltage
should be 220 VAC.
Page 6.18
E15
Does the machine resume
correct operation after being
switched off for 1 minute?
NO
1
Is the supply voltage at the
input to the inverter correct?
NO
2
Is the supply voltage at the
input to the filter correct?
YES
3
Is the supply voltage at the
output of the filter correct?
YES
Check and reinstate cables
FR-2 and FR-4
FORMA: Service & Maintenance manual - rev. 3.0
E15
YES
Probable high line voltage.
The machine is OK.
YES
Replace the inverter
NO
Check and reinstate cable
FR-1/A
NO
Replace the filter