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Display
"E41"
"E-50"
"E-51"
"E-53"
4
Cause
Memory
Turn unit off, then back on; if "E-41" still shows. have the
scrambled.
controls initialized; if "E-41" persists, replace control
board.
RAM failure.
Turn unit off, then back on; if "E-50" persists, replace con-
trol board.
NOVRAM failure.
Turn unit off, then back on; if "E-51" persists, replace con-
trol board.
EPROM failure.
Turn unit off, then back on; if "E-53" persists, replace con-
trol board.
Panel Board Correction
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