ST950S Plus+ Installation and Commissioning Manual
Table 14. PRG - Program (blue) (continued)
LED Pattern
Status
Heart restore pending
Wipe request pending
Fast flash
Programming in progress
Solid on
Programming complete, power cycle required
SYS – System (green)
Flashes to indicate status
Table 15. SYS - System (green)
LED Pattern
Status
Slow flash
Normal operation
Medium flash
Normal operation, Fault present
Very fast flash
Restricted mode
COM – Communications (green)
Table 16. COM - Communications
LED Pattern
Status
On
Under UTC control, pulses off indicate receipt of messages
Off
Not under UTC control, pulses on indicate receipt of messages
BSY – Busy (red)
Flashes to indicate the system is busy performing an operation that must not be interrupted, for
example start up, upgrade, USB "memory stick" style interface is busy. Do not remove USB device or
switch off the controller while this LED is flashing.
BEHIND HANDSET CONNECTOR
The pair of multicolour LEDs behind the handset connector are as shown below (viewed from the front
of the CPU Card).
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