Olivetti PR4 SR - Page 32

XYAA6336 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 ConsoleLED Indications on the Console
LED Indications on the ConsoleLED Indications on the Console
LED Indications on the Console
Failure SignaledFailure Signaled
Failure SignaledFailure Signaled
Failure Signaled
Corrective ActionCorrective Action
Corrective ActionCorrective Action
Corrective Action
11
11
1 ROM test error
Replace the electronic board
Replace the electronic board
22
22
2 RAM test error
See the related section
33
33
3 Faulty MICR
44
44
4 EPROM access failure Replace the electronic board (basic)