PAT DS 50 Troubleshooting Manual page 47

DS50 TROUBLE SHOOTING MANUAL
11. ERROR CODE MESSAGES
Error Code Error
E3 7 Error in the logic of the
software in the Eprom.
E4 1 Error in the internal
write/ read memory
(RAM) of the
microprocessor.
E4 2 Error in the external
write/ read memory
(RAM)
E4 8 Cyclic internal RAM
test failed.
E5 1 Error in the Eprom
(data part)
TSM DS 50-003/REV.B/031-300-190-003/12-02-96
Cause
The Eprom on the main
board is defective.
LMI board defective.
Microprocessor components
defective on main board.
External RAM defective on
main board.
Microprocessor components
defective on main board.
The Eprom on the main
board is defective.
47
LEVEL 3
Remedy
Follow the instruction in the
troubleshooting manual and
replace the Eprom which is
plugged into the Eprom
socket on the main board.
Refer to the Eprom label to
affirm the same Eprom
version. Function and load
test the system after.
Identify clearly a main board
defect by referring to the
troubleshooting manual. If in
doubt contact PAT service
support. Replace main board
or central unit and transfer
E-Eprom data. Load test
system after.
If in doubt contact PAT
service support. Replace
main board or central unit
and transfer E-Eprom data.
Load test system after.
If in doubt contact PAT
service support. Replace
main board or central unit
and transfer E-Eprom data.
Load test system after.
If in doubt contact PAT
service support. Replace
main board or central unit
and transfer E-Eprom data.
Load test system after.
Follow the instruction in the
troubleshooting manual and
replace the Eprom which is
plugged into the Eprom
socket on the main board.
Refer to the Eprom label to
affirm the same Eprom
version. Function and load
test the system after.