Olivetti PR4 SLIP, Руководство по обслуживанию

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XYAA6338 Service Manual 3-3
For a detailed description of Ref. 7, press any key and
the LEDs will assume one of the following
configurations:
Ref. Ref.
Ref. Ref. Ref.
LED Indications on the Console LED Indications on the Console
LED Indications on the Console LED Indications on the Console LED Indications on the Console
Failure Signaled Failure Signaled
Failure Signaled Failure Signaled Failure Signaled
Corrective Action Corrective Action
Corrective Action Corrective Action Corrective Action
1 11 11 ROM test error
Replace the electronic board
Replace the electronic board
2 22
22 RAM test error
See the related section 3 33
33
Faulty MICR
4 44 44 EPROM access failure Replace the electronic board (basic)