Gasboy DEF Atlas - Manual (Page 12)

Operation Modes DEF LED Functions - Cold Weather Units
Page 3-2 MDE-5044A Atlas® DEF Operation, Diagnostics, and Recommended Spare Parts Manual · April 2014
DEF LED Functions - Cold Weather Units
9800 CPU Board
Following table shows the LEDs on the 9800 CPU board:
LED LED Status Condition
Pump Handle On Nozzle out
Pulsar On (Flashing) Product flowing
+5 VDC On Always
Slow LED
On Nozzle out and authorized Fast LED
Sub LED
Coriolis Meter Interface Board
Following table shows the LEDs on the coriolis meter interface board :
LED LED Status Condition
CR 1 On +24 VDC power supply enabled
CR 2 - -
CR 3 On Meter side ‘A’ enabled with the pump handle
CR 4 On +5 VDC power supply enabled
CR 5 Off Pump not in frozen state
Temperature Control Board
LED LED Status Condition
CR 1 On Power supplied to the fan
CR 2 On Power supplied to the heater
Note: Both CR 1 and CR 2 will activate together when the thermostats
detect a temperature of 43 °F (6.1 °C) in the cabinet.
Following table shows the LEDs on the temperature control board:
DEF Warm Weather Units
DEF warm weather units operate and function the same as the DEF cold weather units without
the functions of the heater/fan assembly, thermostats, and temperature control board, as these
items are not included in the DEF warm weather unit.