Daikin VRVII Manual page 137

Note:
∗1. Make measurement of resistance between the
connector pins, and then make sure the resistance
falls in the range of 40 to 50Ω.
(Orange) 1
(Red) 2
(Yellow) 3
(Black) 4
COM[+] (Gray) 6
132
Troubleshooting by Indication on the Remote Controller
5
Measuring points
1 - 6
2 - 6
3 - 6
4 - 6
Judgement criteria
40~50Ω