LINES GP-FILTER 1585093 - Caterpillar

Illustration 1 g03716750
(1) Green lamp (2) Blue lamp (3) Red lampNote: When the monitor provides a warning, check the Operation screen and perform the required action or maintenance as indicated by the status display. The monitor indicator does not guarantee that the (SCR) system is in a good condition. Do not use the monitor panel as the only method of inspection. Maintenance and inspection of the (SCR) system must be performed on a regular basis. See the Maintenance Section of this Operation and Maintenance Manual.The system status and fault lights are located on the front face of the cabinet door. The system status and fault lights assist in communicating the state of the system. A green, blue, and red light indicate factors such as, power present, DEF usage, and a possible fault presence.
Table 1
Power, DEF, and Fault Lights    
Green (1)    Blue (2)    Red (3)    Status    Action    
OFF     OFF     OFF     Controller not operating     Check power supply to the Dosing cabinet    
ON     OFF     OFF     Power on: Controller in Standby     Check the status to see if one of the operating conditions is not met    
ON     ON     OFF     Run mode     Normal operating condition    
ON     BLINKING     OFF     Purge mode     Check if low boost
Check if low air pressure
Check if low exhaust temp    
ON     OFF     BLINKING     Fault     Check Operation screen status display for a reported fault
Ensure that air supply to the Dosing cabinet is
586 103 kPa (85 15 psi)
Ensure that Manual purge switch is off
Reboot system if necessary    
ON     BLINKING     BLINKING     Manual purge     Turn switch off after the purge cycle has completed    
ON     ON     BLINKING     Open loop mode     Check NOxsensors
Replace if necessary    
( 1 ) Green light – Power Supply/Cabinet is powered on and controller is communicating.
( 2 ) Blue light – DEF is dosing.
( 3 ) Red light – System has been placed into manual purge or a fault is present.