connection error prevention circuits have operated. In such
cases, check that the drive wires (connected to terminals [1] and
[2]) and the control wires (connected to terminals [3] and [4]) are
connected correctly. If they are connected incorrectly, connect
them correctly. Normal operation should then commence.
2. Do not short the remote control unit wires to each other. (The
protection circuit will be activated and the units will not operate.) /
Once the cause of the short is eliminated, normal operation will
then be possible.
21.3. Test operation using the wired remote control