Service manual

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. R&D, HOBART CHINA AMX/AM900 / 29
11.2PRINTEDCIRCUITBOARDS
11.2.1MAINBOARD
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LED1hoodswitch:ON=hoodclosed
LED2impellerswitch: unsteady=waterflow(pulses)
LED3processorfunction: flashing=voltageon,processorrunning
permanent=voltageon,processornotrunning
Note:ThecontrolworkswithorwithoutpluggedE‐EPROM897547‐010.
TOINSTALLANEW
SOFTWARERELEASE:
1. DisconnectcontrolfuseF1.
2. PluginthenewE‐EPROMandreconnectF1.
Acheckiscarriedoutandthestoredsoftwarewillbeupdatedautomatically
(TheprogressisindicatedatthedisplaybyL9,L8,...).
3. Setmachinetype–seepage30,menuU01(also
tobedoneafterreplacingthePCB).
4. DisconnectcontrolfuseF1,removeE‐EPROMandreconnectF1.