B-1
PP7,
PP17-I, PP17-II Equipment Manual
Release 06/98
System Messages
The
following message appears in the Push Button Panel display when the
unit is starting up:
PPxx Vy.y
START
When
the start-up routine has been completed and communication with the
PLC has begun, the following message appears in the Push Button Panel dis
-
play:
PPxx Vy.y
READY
These
messages contain the following information:
xx
y.y
Unit
identification of the Push Button Panel: 7 or 17
V
ersion identification of the Push Button Panel
The following table should help to determine the cause of Error LED signals:
Signal Cause Remedy
LED flashes
(Normal operation)
The unit is in Lamp/Key test mode.
T
erminate the Lamp test by
releasing the corresponding key
,
or
resetting the corresponding bits
in the PLC.
LED lights up
(Hardware test mode)
Hardware test mode is displayed.
Restart the unit or terminate Hard
-
ware test mode via the menu.
LED lights up
(Normal operation)
The unit has detected a communica
-
tion or software error
.
Note the error message in the dis
-
play.
Messages during
unit start-up
Error LED signals
B
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