AOP-1 unresponsive connection cable is too long to ensure that the distance between DU-2 and AOP-1 is ≤ 0.5 meters
AOP-2 LED does not light up, power fault check DC/DC converter and power connection
Abnormal button function, programming error. Reuse PC utility software for programming
AOP-2 does not respond to CAN communication CAN ID duplicate check and sets unique CAN ID
8.3 General faults
Possible causes and solutions for the phenomenon
The main display cannot switch password. Incorrect confirmation of customer password
Repeated CAN ID warning, ID conflict. Enter the CAN ID change menu and reset
Unstable electromagnetic interference in the system ensures correct grounding of the cable shielding layer
