Mitsubishi Heavy Industries SRK63ZR-WF Technical Manual page 75

(a) Inspection of electronic expansion valve
(i)
(ii)
(6P, white)
(iii)
(iv)
• Inspection of electronic expansion valve as a separate unit
Measuring point Resistance when normal
(b) Outdoor fan motor check procedure
(i)
unit
1)
2)
3)
⑥
⑥
CNFAN
DC280-373V
(ii) Fan motor resistance check
Measuring point
⑥ − ④
− Blue
③ − ④
−
Brown Blue
6 5 4 3 2 1
②
unit
unit
FM
0
⑤ ④ ③
⑤ ④ ③
GND
DC15V
(−）
Resistance when normal
k
DC
source
② ①
② ①
Outdoor unit PCB
DC several (4-7V)
74
- -
'22 • SRK-T-362
unit
Measuring Voltage range when
point normal
⑥ − ④
DC 280-373V
③ − ④
② − ④
-