LED
Color and frequency
Pulse frequency
Description
Action
DIAG1
Orange | slow pulses
Low tension in the receivers power supply
Supply the system with the
correct voltage
Orange | double pulses
Hardware error
Replace receiver
Orange | triple pulses
Orange | 4 pulses
Green | slow pulses
Low link quality
N/A
Green | double pulses
Medium link quality
N/A
Green | triple pulses
High link quality
N/A
DIAG2
NOT USED
NOT USED
NOT USED
N/A
ORDER
Green | continuous
LED ON Whenever any output is ON
N/A
RELAY
Green | continuous
STOP relay activated
N/A
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
Green | fast pulses
Pre operational Status, Receiver waiting for the
controller.
Controller must send the
Operational code to the
Receiver.
Green | continuous
Receiver connected to the CAN network and
operational
N/A
User Manual
MPCAN Receiver
Troubleshooting
14 |
©
Danfoss | March 2022
BC292573933619en-000201
