ESIE05-04
4.8.2
Indoor Unit: Fan Motor Checks (Phase Controlled Motor)
(1) Turn the power supply off.
With the relay connector disconnected, measure the resistance between UVW phases of the
connector (3 cores) at the motor side, then make sure that the resistance between each phase is
balanced and not short-circuited.
Part 3 – Troubleshooting
Red
U
White
V
Black
W
Additional Checks for Troubleshooting
Measure the resistance between
each phase.
(S2675)
1
3 3
4
5
3–61