Error led code descriptions – High Country Tek HFS-J-Bus User Manual
Page 11
Electronic Controller Solutions for the Global Fluid Power Industry
Hydraulic Fan System Controller with SAE J1939 Interface
HFS-J User Guide
Part No:-
021-00158 Rev C
HFS-J Hydraulic Fan System Controller User Guide
Page | 11
Error LED code descriptions:
Status LED
Reverse / Error LED
Discription
Alarm Output
Fan Output
Reverse Output NOTE
OFF
OFF
Power Supply < 9.3 VDC
OFF
OFF
OFF
1
OFF
OFF
Power Supply > 30 VDC
OFF
OFF
OFF
1
ON
OFF
Normal Operation
OFF
As Demanded
As Demanded 2
ON
OFF
J1939 RPM Timeout
OFF
Min Current
As Demanded 3
ON
OFF
Reverse Sequence Active
OFF
Reverse SPD %
ON
2
ON
Flashing
J1939 Engine Coolant Timeout
ON
Min Current
As Demanded 3
ON
Flashing
J1939 Transmission Temp Timeout
ON
Min Current
As Demanded 3
ON
Flashing
J1939 Intake Man. Temp. Timeout
ON
Min Current
As Demanded 3
Code = 1
Flashing
J1939 Engine Coolant Over Temp
ON
Min Current
As Demanded 3, 7
Code = 2
Flashing
J1939 Intake Man. Over Temp
ON
Min Current
As Demanded 3, 7
Code = 3
Flashing
J1939 Transmission Over Temp
ON
Min Current
As Demanded 3, 7
Code = 1
Flashing
PWM Output Open
ON
Min Current
OFF
4
Code = 2
Flashing
PWM Output Short
ON
Min Current
OFF
4
Code = 3
Flashing
Alarm Output Short
OFF
Min Current
OFF
3
Code = 5
Flashing
Reverse Output Short
ON
Min Current
OFF
3
Code = 1
Flashing
Unit Temp >80°C
OFF
OFF
OFF
5
Code = 3
Flashing
Thermistor 1 Short
ON
Min Current
OFF
6
Code = 4
Flashing
Thermistor 1 Open
ON
Min Current
OFF
6
Code = 5
Flashing
Thermistor 1 Over Temp
ON
Min Current
OFF
6, 8
Code = 6
Flashing
Thermistor 2 Short
ON
Min Current
OFF
6
Code = 7
Flashing
Thermistor 2 Open
ON
Min Current
OFF
6
Code = 8
Flashing
Thermistor 2 Over Temp
ON
Min Current
OFF
6, 8
NOTES:
1
Wait for Correct Power
2
Normal Operation
3
Fan Output min current until corrected (Max Fan SPD)
4
Attempt to drive min current to fan until corrected
5
Wait until unit temp < 70°C
6
Fan Output min current until corrected (Max Fan SPD) Reverse Sequence Cancled
7
Reverse Cycle Operates Normaly
8
Reverse Cycle Normal If Reverse Input Switch is used and Overtemp Condition is present before start of cycle