Operational Details
82011-IM, REV J
Sandel SG102 & MT102 Installation Manual
Page 7-1
7
Operational Details
7.1
Front Panel LED’s
Figure 7-1
SG102 LED display
At initial power application, a 2 second LED test is performed with all LEDs on.
After the 2 second test, the functions of the LEDs are as follows (See Figure 5-1):
LED
STATE
DESCRIPTION
POWER ON
OFF
Presence of primary power
Absence of primary power
VALID
ON
Flash
OFF
Initialized and ready for operation (outputs unflagged)
Operating in Slaving Off mode, or fast slaving
Not initialized (outputs flagged)
MAG
ON
Fast Flash
OFF
MT102 Communicating and operating
MT102 Non Volatile Memory Failure
MT102 not communicating or operating
ERROR FLASH
Fast Flash
OFF
Power up initialization in progress shown by continuous
flashing. After initialization any detectable internal error
flashes a numeric code.
SG102 Non Volatile Memory failure
Normal operation
SG102
SG102/D
