LED
Characteristic
Description
Action
CANERR
Red | slow pulses
CAN Error, physical Layer
Verify Connections
Red | double pulses
One expansion has Stopped working
Verify Expansion boards
Red | 4 pulses
A Transmitted CAN frame has been lost
N/A
Red | 5 pulses
A Received CAN Frame has been lost
N/A
Red | continuous
CAN Bus OFF
Verify CAN connections and
Status.
CANRUN
Blinking Green
Pre operational Status
The Controller must set the CAN
Receiver to operational Status
Solid Green
Operational Status
OK
2.4GHz Receiver LED troubleshooting
The troubleshooting LEDs are located on the receiver board or accessible on the outside. Use the
following table to identify faults and corrective action.
In order to reach the internal signaling, the receiver must be accessible, connected and the screws
located on the receiver lid must be unscrewed using the proper screw driver whenever the LEDs are not
externally visible.
The LEDs on the receiver board are POWER, STATUS, DIAG1, DIAG2, ORDER, RELAY, CANERR and CANRUN
in that order.
Please do check the following website for further information:
https://troubleshooting.dps-rct.com/en/customer-service-center
User Manual
MP08A Receiver
Troubleshooting
©
Danfoss | March 2022
BC292475492602en-000201 | 13
