Height Rider/SP Series
Operating & Safety Instructions
English/USA – 07/17
Original instructions
51
Appendix A
Application specific error codes
For more comprehensive error information please refer to the HR21 MK2 Service Manual.
Error Code
Description
Action
01A10000
There is a problem with the signals
from the normally closed and
normally open contacts of the
Keyswitch to the PLC
Ensure contact blocks are securely in position.
Check Keyswitch wiring from the switch contacts to
the PLC
01A20000
There is a problem with the signals
from the normally closed and
normally open contacts of the Base
E-Stop to the PLC
Ensure contact blocks are securely in position.
Check Base E-Stop wiring from the switch contacts to
the PLC
01A30000
There is a problem with the signals
from the normally closed and
normally open contacts of the Cage
E-Stop to the PLC
Ensure contact blocks are securely in position.
Check Cage E-Stop wiring from the switch contacts to
the PLC
01A40000
There is an error with the signals
from the Load Sensing system
Check the Load Sensing PCB is functioning and EN
and ALM are opposite.
Check wiring from the Load Sensing PCB to the PLC
01A50000
There is a problem with the signals
from the normally closed and
normally open contacts of the
Booms Down Switch to the PLC
Check Booms Down Switch wiring from the switch
contacts to the PLC
01A60000
There is a problem with the signals
from the normally closed and
normally open contacts of the
Telescope Switch to the PLC
Check Telescope Switch wiring from the switch
contacts to the PLC
01A70000
There is a problem with the Mode
Select Switch
Check the wiring from the Mode Select Switch to the
Cage Node.
Replace the Mode Select Switch
01A80000
The Cage Rotate Switch is sending
Left and Right signals at the same
time
Check the Cage Rotate switch wiring.
Replace the Cage Rotate switch
Summary of Contents for HR21 4x4
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