Hyundai HL970A Operator's Manual page 271

(2) (2)
Summary of signal Indicators Summary of signal Indicators
The pump's function are indicated via two control LEDs (green/red) in the display on the pump's
motor casing, where the red LED always indicates an error in the program sequence. These
control LED functions may be indicated in the cab via monitor.
① Standby
LED red
LED green
② Lubrication activated
LED red
LED green
③ Revolution and engine driver error
LED red
LED green
④ Memory error
LED red
LED green
Red LED error indicator
Standby indicator :
standby: 1.5 sec.
ON
OFF
ON
OFF
Lubrication sequence :
ON
OFF
During whole lubrication
ON
OFF
Revolution error in pump engine
1 sec.
ON
OFF
ON
OFF
Memory error :
0.5 sec.
ON
OFF
0.5 sec.
ON
OFF
8-4
Green LED function indicator
1 sec.
Button for activating
interim lubrication (reset)