Mitsubishi Heavy Industries SRK63ZR-WF Technical Manual page 72

(b) Indoor fan motor check procedure
1) Indoor unit PCB output check
DC several V
(4-6 V)
CNU
⑥
⑥
2) Fan motor resistance check
Measuring point
① − ③
−
④ − ③
−
(–)
GND
DC15V
⑤ ④ ③ ②
⑤ ④ ③ ②
FM
i
Resistance when normal
M
k
71
-
① ④
DC 308-336V
Indoor unit PCB
①
①
-
'22 • SRK-T-362
⑤
Measuring Voltage range when
point normal
① − ③
−
④ − ③
⑤ − ③
−