DM16-01.01.11-01en Service manual
Multi DC inverter R410A. Outdoor unit 57
3. IPM continuity check
Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital
tester to measure the resistance between P and UVWN; UVW and N.
Digital tester Normal resistance value
Digital tester Normal resistance value
(+)Red (-)Black
∞
(Several MΩ)
(+)Red (-)Black
∞
(Several MΩ)
P
N
U
N
U
V
V
W
W
(+)Red
4. Indoor AC Fan Motor
Measure the resistance value of each winding by using the tester.
Position
Resistance Value
YKSS-68-4-15-1
(Weilng)
Black -
Red
285.8Ω±8%
(20℃)
Red -
Yellow
178.5Ω±8%
(20℃)
Yellow -
Blue
178.5Ω±8%
(20℃)
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