Omron 8025G Maintenance Manual page 130

MAINTENANCE AND REPAIR
SECTION 6
Table 6-1. Symptoms vs. probable malfunctions in 8025 Terminal
MALFUNCTION PROBABLY IN
~
o~
..-l +.I 1-1
..-l I-I..-l
>to
~
1-1
Ul (1J
O..-l Q)
0 1-1 1-1
~
El
1-1
B
.c
+.I
1-1 011-1 1-1
o
+.I
~~
>to u
OJ
• I:::
+.I 1-111-1 +.I
El
I:::
.>t
..-l +.I f1l +.I ..-l OJ OJ
~ .~
I::: +.I ::l
s:::: Q) 0
1-1 0
.c
f1l
8:
f1l
..-l
.~ ~{l ..-l
..-l :::l ~
SYMPTOM
0
I::: III 0
::;:
U
~ 0'
::;:
U
.-i
.-I ::l
~
{l {l 1<1; p..
U 0
U
o
0
~
'0 +.I
a.
:::l
::l 0'
Ul
+.IU
U
.c
~ .c
fJ)
1-1 \.I
.~
1-1
\.I
fJ) Ul
O'Q)
f1l
U U
~
fJ) 0'
fJ)
{/) p..
N
III )
Q) Q)
.~
(1J
~
r...
I::: 1-1
N N
0
o
(1J s::::
Q)
QI
(1J~
M
0 Ul '0
.~
0 \.I
~
r...
.~
0 0
ElM
M
fJ)
QI \.I
.~ ~ ~ U N .0
0 f1l
Q)
:>
(1J
0
S
{/) QJ
QlN N
1-1'0 ~ S ~ 0
::;:
,
>t >tu
QJ
~ ~
:>
fJ) ........
\.I "-1'0
'0
,
I
:::I
.~ QJ .~ (1J OJ \.I
~
~ ~ ~ I:::
~
N :::I
:z:
OJ :::I .~ 0 Ul ~
U:>
~ ~ ~ ~
p..
r.l
U p..
U"l
.-I
r...
0 Eo< U
:>
::;:
~
A U D I B L E
S Y M P TOM S
,
Beep response inoperative
X
X X
X
Continuous beep X
X
X
II
Beep response, all keys
X
X
X X X
Beep and click responses inoper-
ative
X
X
Click response inoperative
X
X
X X X
-
Continuous click after terminal
power is applied*
X
Rapid click response
X
X
Varying click/repeat rate
X
X
Continuous click with character
repeat after terminal power
X
is applied
Cooling fans inaudible
X
------------------------------------ - -
-- _._------- ---
--
._--
-~--
-- --
--
----
-'--
-
*
To locate bad key switch, individually depress each key for more than one- ha
If
second.
Bad key will be inactive after this period.
6-7