Operation Manual

RUNRACE : Service & Maintenance Manual - rev. 2.0
Page 6.15
6.4.3. THE INVERTER DISPLAY SHOWS E8, E10 OR E11
These inverter error messages are related to HW and SW problems with the inverter.
Does the error occur
f requently ?
YES
Replace the inv erter
Probable interf erence. The
machine is OK
NO
Does the machine resume
correct operation af ter being
turned of f f or 1 minute?
YES
Re-program the inv erter
NO
1
Does the machine resume
correct operation af ter being
turned of f f or 10 minutes?
Programming correct. The
machine is OK
Replace the inv erter
NO
YES
E10E08 E11
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) Determine the frequency of the errors by counting the number of occurrences in the inverter
error memory, and by running targeted checks. An error is considered frequent if it occurs 2 or
3 times a day.
WARNING: incorrect programming of the inverter can cause serious damage to the
machine or malfunctioning that is potentially hazardous to the user. Therefore, attempt
this operation only if certain of being able to carry out the procedure with the latest SW
version.
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