3300/25 Dual Accelerometer Input Monitor Operation Manual
6
3. LED Functionality
3.1 OK LEDs
z
ON
{
OFF
BLINK
LED DISPLAY
A B
CONDITION
OK RELAY
DRIVE*
z OK z Channel A and B are in operating range. ON
{ OK z
z OK {
If a channel's OK LED goes off, that
channel is not OK, has been latched not
OK, or is bypassed.
OFF**
{ OK {
The monitor is in self test, or both
channels are not OK or bypassed.
If an error code is displayed refer to the
Error Code section in this manual.
OFF**
OK
An LED flashing at 5 Hz indicates that an
error was encountered during Cyclic self
test. Self Test, Section 16, describes how
to read error messages.
ON
OK
OK z
z OK
An LED flashing at 1 Hz indicates that the
channel's transducer has been not OK
since the last reset. (This occurs only if
Timed OK/Channel Defeat is selected).
ON
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