Operation Manual

RUNRACE : Service & Maintenance Manual - rev. 2.0
Page 6.20
6.4.7. THE 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 af ter being
switched of f f or 1 minute?
YES
Probable high line v oltage.
The machine is OK
Replace the inv erter
NO
E15
1
Is the supply v oltage at the
input to the inv erter correct?
YES
2
Is the supply v oltage at the
input to the f ilter correct?
NO
Check and reinstate cable
between the circuit breaker
and the f ilter
NO
3
Is the supply v oltage at the
output of the f ilter correct?
NO
Replace the f ilter
YES
Check and reinstate cable
between the f ilter and the
inv eter
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.
(2) Disconnect the supply cables from the filter and place the tester probes across them. The
measured voltage should be 220 VAC.
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