Daikin REYQ8-48PY1B, Руководство по обслуживанию

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SiBE37-701_B Method of Checking the Inverter’s Power Transistors and Diode Modules
Appendix 454
1. Power module checking
2. Diode module checking
When using the analog type of multiple
tester, make measurement in resistance
measurement mode in the x1k
Ω
range.
When using the digital type of multiple
tester, make measurement in diode check
mode (
).
No.
Measuring
point
Criterion Remark No.
Measuring
point
Criterion Remark
+ - + -
1 P3 U
2 to 15k
Ω
1 P3 U
Not less
than 1.2V
(including)
It may take time to
determine the voltage
due to capacitor
charge or else.
2 P3 V 2 P3 V
3 P3 W 3 P3 W
4 U P3
Not less
than 15k
Ω
(including)
It may take
time to
determine the
resistance due
to capacitor
charge or else.
4 U P3
0.3 to 0.7V
5 V P3 5 V P3
6 W P3 6 W P3
7 N3 U 7 N3 U
8 N3 V 8 N3 V
9 N3 W 9 N3 W
10 U N3
2 to 15k
Ω
10 U N3
Not less
than 1.2V
(including)
It may take time to
determine the voltage
due to capacitor
charge or else.
11 V N3 11 V N3
12 W N3 12 W N3
When using the analog type of multiple
tester, make measurement in resistance
measurement mode in the x1k
Ω
range.
When using the digital type of multiple
tester, make measurement in diode check
mode (
).
No.
Measuring
point
Criterion Remark No.
Measuring
point
Criterion Remark
+ - + -
1 P1 J1
2 to 15k
Ω
1 P1 J1
Not less
than 1.2V
(including)
It may take time to
determine the voltage
due to capacitor
charge or else.
2 P1 J2 2 P1 J2
3 P1 J3 3 P1 J3
4 J1 P1
Not less
than 15k
Ω
(including)
It may take
time to
determine the
resistance due
to capacitor
charge or else.
4 J1 P1
0.3 to 0.7V
5 J2 P1 5 J2 P1
6 J3 P1 6 J3 P1
7 N3 J1 7 N3 J1
8 N3 J2 8 N3 J2
9 N3 J3 9 N3 J3
10 J1 N3
2 to 15k
Ω
10 J1 N3
Not less
than 1.2V
(including)
It may take time to
determine the voltage
due to capacitor
charge or else.
11 J2 N3 11 J2 N3
12 J3 N3 12 J3 N3