Technogym Forma - The Inverter Display Shows E15

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