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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
Version 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.
Terminate 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
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