Instruction manual

OPERATING_MANUAL_MC20V.DOC 18.03.11 KS Seite 34
4. Service
4.1. Trouble shooting
MC20V does not start: Is the plug plug in? Fuse of the electrical circuit tripped?
Otherwise MC20V will show information by an error code system in the display: Exxx
There are two graduations:
Warnings: will be displayed if something is wrong, but machine will not shut down.
Errors: will shut down machine immediately to prevent system against serious
damages.
This warnings/errors are in a special list included in a list attached to generator
documentation in the instruction manual. If an error message is not included this list
please contact us.
Attention: On our webside
http://www.indutherm.de/errors.html
you can find examples how to troubleshoot problems
If you contact INDUTHERM or your dealer always provide
serial no. or service no. of machine = This is necessary for us
to give assistance
4.2. Maintenance
A routine check/regular cleaning of the following is necessary.
Caution: disconnect the machine first!
Daily (before casting):
Remove crucible and quartz glass tube, carefully clean inductor housing.
Before reinstalling the above parts, check those and replace if necessary.
Annually:
Depending on the water quality, the cooling system should be cleaned with 25% citric
acid. The cooling system should be treated with this acid for approx. 1 hour. Then
clean the system thoroughly with pure water and check on eventual leakages.