LED
Color and frequency
Pulse frequency
Description
Action
POWER
Green | continuous
Switched ON if powered
Check power supply if LED is
switched off.
STATUS
Blue | fast pulses
System is starting; establishing connection with
radio and EEPROM
Wait
Blue | continuous
Waiting for transmitter communication, coming
from ACTIVE STOP
Release STOP button and press
START on the transmitter.
Blue | slow pulses
Waiting for transmitter communication, coming
from PASSIVE STOP
Press Start on the Transmitter
Green | continuous
Working
Operate
Red | slow pulses
EEPROM module missing or corrupt
Check EEPROM and reprogram
if necessary
Red | double pulses
Radio communication error
Replace receiver
Red | triple pulses
Secondary micro error or error between micro
communication
Replace receiver
Red | 4 pulses
ERROR
Check DIAG1 LED
Red | 5 pulses
After 15 sec Not all expansion boards have been
initialized
Check CAN wiring and
Configuration(EEP or Expansion
ID#), Check Bus Termination.
Red | 1 Long + 1 short
pulse
CAN Signature ERROR
Check Signature in Compliance
Block and EEPROM are the
same.
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
User Manual
MP08A Receiver
Troubleshooting
14 |
©
Danfoss | March 2022
BC292475492602en-000201
