Boss Snowplow RT3 EXT Installation Instructions Manual page 26

Problem
The plow wings do not extend or retract.
Possible Cause
1. If the status light on the plow module is
green but not blinking, the controller is
not communicating correctly.
2. If the status light on the plow module is
orange, the plow module may be wired
incorrectly.
3. If the status light on the plow module
is blinking orange or red, there is a
problem with the module driver.
4. If the status light on the plow module
is off, the plow module is not getting
power.
26
Corrective Action
1. Check the controller connections.
Replace the controller if it is broken.
2. Refer to the wiring diagram included
with your Owner's Manual.
3. Check the module connections for
shorts. Replace the module if it is
broken.
4. Check that the controller is on and that
all of the plugs are connected.