[Amps] SPE Expert 1K-FA serial nr. 101300977 Fatal error

[la0cx at tutanota.com]

Hello from Norway.

This amp has been showing the following symptoms for about 10 days:


Aftersome time, it may be minutes or more than two hours, the amp shuts


completelydown, indicating "fatal error", LED "ALL" on.


Ifpower is switched off for 10 seconds, an on again, the amp starts asnormal


andworks again for some unpredictable time.


Symptomsoccur with SWR=1, power 500w HALF and 900w FULL.


Independentof full or semi-QSK. Independent of band.


Temperatureas normal. No entry in ALARM HISTORY.


Tuner-functionas normal. Automatic bandswitch as normal.


Grateful for any hints. Many thanks in advance!
73 Uli, LA0CX

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