Avery Dennison ALX 720, Руководство по обслуживанию

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Service manual
ALX 720
Release 11/2003 Page 33
Step What is wrong What could be the
reason How to check it Action to solve
problem
4c Defective output
driver UDN2983 Replace output
driver U3 and U4
from socket (Figure
1) If message
disappears, use only
one driver if the
other one is not in
use
Check external
connection for
reason for short
circuit
4d Board failure Measure output
voltage terminal 28
against terminal 14
Voltage has to be
22V – 26V.
If not ok, replace
board
4e Error message
“E_10”
Voltage regulator
defective by over
voltage. Measure input
voltage of board. If >28V~ see
troubleshooting
transformer.
4f Output voltage too
high. Measure output
voltage terminal 28
against terminal 14. Voltage has to be
22V – 26V.
If not ok, replace
board.
5a Error message
“E__5”
Label sensor supply
10V not ok Disconnect label
sensor If message
disappears check
sensor and cable
Replace label sensor
5b Measure voltage on
pin 1 against 5 If voltage <10V
replace board
5c Error message
“E__9”
Fault 10V regulator Measure voltage on
pin 1 against 5 If voltage >15V
replace board
6 Error message
“E__9”
Motor driver fault Check connection
cable
See trouble shooting
motor