Hardi HC 5500 SPRAY BOX III, Instruction Book

Page: 73 / 84

11 - Fault finding
73
Alarm list
Alarm warnings are flashing in the bottom line of the display - 3 seconds ON, 3 seconds OFF. The flashing alarm and an
optional alarm sound will stop, when
is pressed, or when the cause of the alarm has been corrected (non-alarm
condition).
If the alarm is stopped by pressing , the alarm will be active again when going from alarm condition to non-alarm
condition and back to alarm condition again.
Only the first incoming alarm will flash in the display. The next alarm will flash only after the first alarm is stopped by pressing
. The alarms have no order of priority.
÷
NOTE! Alarms no. 10 - 14 relate to the DynamicFluid 4 (DF4) system on the sprayer.
ID NO. TYPE TEXT IN DISPLAY PROBABLE CAUSE CONTROL/REMEDY
1 Alarm Alarm:VolumeRate Volume rate deviation is higher than the
defined value. Adjust settings in menu 2.5.1.
2 Alarm Alarm:Tank cont. Tank contents is less than the defined
value. Adjust settings in menu 2.5.1.
3 Alarm Alarm:PressureHi Boom pressure is higher than the defined
value. Adjust settings in menu 2.5.3.1.
Decrease driving speed or change to a bigger nozzle.
4 Alarm Alarm:PressureLo Boom pressure is lower than the defined
value. Increase driving speed (if safe) or change to a smaller
nozzle.
Adjust settings in menu 2.5.3.2.
5 Alarm Alarm:Rpm Hi Speed for the TWIN blower is higher than
the defined value. Adjust settings in menu 2.5.4.1.
6 Alarm Alarm:Rpm Lo Speed for the TWIN blower is lower than
the defined value. Adjust settings in menu 2.5.4.2.
7 Alarm Alarm:Speed Max. The driving speed is higher than the
defined value. Adjust settings in menu 2.5.5.1.
8 Alarm Alarm:Speed Min. The driving speed is lower than the
defined value. Adjust settings in menu 2.5.5.2.
9 Alarm Sections: OFF! Main ON/OFF is switched ON, and one or
more spray sections are OFF. Note that one or mores sections are switched OFF.
10 Alarm SENSOR ALARM
Regvlv sens.miss
Feedback sensor for the regulation valve
is deviating, disconnected or missing. Check installation of this sensor.
11 Alarm SENSOR ALARM
Flow sens. miss
Boom flow sensor is disconnected or
missing. Check installation of this sensor.
12 Alarm SENSOR ALARM
Press.sens.miss
Boom pressure sensor is disconnected or
missing. Check installation of this sensor.
13 Alarm SENSOR ALARM
RPM sens. fail
Sensor for pump speed (rpm) is
disconnected or missing. Check installation of this sensor.
14 Alarm Regulation valve
Motor fail
Problem with regulation valve control. Electric motor for regulation valve has an internal failure,
or the wiring between motor and valve is broken.
15 Alarm SENSOR ALARM
5V supply
Short circuit of a sensor with 5 volt supply. Contact your HARDI sevice centre.
16 Alarm SENSOR ALARM
12V supply
Short circuit of a sensor with 12V supply. Contact your HARDI sevice centre.