Sensor Board (80471Se) Leds - Ametek Thermox WDG Insitu User Manual

Sensor Board (80471SE) LEDs

Two diagnostic LED indicators are on the sensor board. DS1 is located
near the relay on the board and DS2 is located near the end of the num-
bered terminal strip.
LED
INDICATOR
DS1 Oxygen cell furnace over-temperature shutdown circuit status
GREEN
OFF
OFF
DS2 Sensor enclosure internal temperature monitor
OFF
Blinking GREEN
GREEN
Blinking Green &
Blinking RED
Blinking Red
RED
YELLOW
STATUS
Furnace is operating normally
Over temperature shut-down has been activated
No 15 Volt DC power provided to sensor board from
control unit
Oxygen-only system (no RTD and SW1) all position
to "ON"
Sensor enclosure not at setpoint temperature
Sensor enclosure over temperature
Sensopr enclosure over temperature
Switch setup invalid
Sensor Temperature RTD circuit error (RTD open or
shorted)
Indeterminate error
FUNCTION