Mitsubishi SRK20ZSX-W Technical Manual page 104

(a) Inspection of electronic expansion valve
(i)
(ii)
(iii)
(iv)
• Inspection of electronic expansion valve as a separate unit
Measuring point Resistance when normal
(b) Outdoor unit fan motor check procedure
(i)
1)
2)
3)
⑥
⑥
CNFAN
DC308-336V
(ii) Fan motor resistance check
Measuring point
⑥ − ④
− Blue
③ − ④
−
Brown Blue
6 5 4 3 2 1
②
FM
0
⑤ ④ ③ ②
⑤ ④ ③ ②
GND
DC15V
(−）
Resistance when normal
k
DC
source
①
①
Outdoor PCB
DC several (4-7V)
102
- -
'09•SRK-DB-087D
'18 • SRK-T-234
Measuring Voltage range when
point normal
⑥ − ④
308-336V
③ − ④
② − ④
(4-7V)