Self Diagnosis And Display Of Cooling Fan - Doosan DL200 Manual

Self Diagnosis and Display of Cooling Fan

Normal Operation Display
1. Operation mode display
Categories
Forward
Prop. Control
Rotation
Reverse
Rotation
Monitoring of Voltage to Controller
Voltage of controller
input terminal = Vin
LED
All the segments light up for one second when power is first
supplied to the controller.
Electrical System
Page 52
LED Display
LOW
High
ON
Input
18.5±1</= Vin </= 32.5±1V
Vin < 18.5±1V or
Vin > 32.5±1V
L Minimumcurrent (cooling fan at high speed)
2 20 ~ 24% output of duty
3 25 ~ 34% output of duty
4 35 ~ 44% output of duty
5 45 ~ 54% output of duty
6 55 ~ 64% output of duty
7 65 ~ 74% output of duty
8 75 ~ 84% output of duty
9 85 ~ 89% output of duty
H Maximumcurrent (cooling fan at low speed)
Normal Reverse Operation
LED Display
Decimal point lights
up.
Decimal point is out.
System Status
SP001095