Test o4 failed is a calibration error You need to go into service mode and find out which ckecksum failed. It is usually the filament. This kind of thing happens when the batts. are getting weak.
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frank bell
AMX 4 Error Codes
February 16, 2010 01:31
need error codes for GE AMX 4. reads test 4 fail, @ start up.
thanks
Frank
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Deon Armes
Re: AMX 4 Error Codes
February 16, 2010 04:14
Test o4 failed is a calibration error You need to go into service mode and find out which ckecksum failed. It is usually the filament. This kind of thing happens when the batts. are getting weak.
Good luck!
Deon
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