Mitsubishi Electric e Series Service Handbook page 140

[ IX Troubleshooting ]
Judgment value (reference)
SC-P1
CN-N
Red (-) SC-L1
SC-L2
SC-L3
SC-P2
CN-N
Red (-) SC-U
SC-V
SC-W
INV board external diagram
IGBT (rear)
SC-L1
Input (L1)
SC-L2
Input (L2)
SC-L3
Input (L3)
SC-U
Inverter output (U)
SC-V
Inverter output (V)
SC-W
Inverter output (W)
HWE20010
SC-P1 FT-N
- -
- -
5 - 200 ohm
5 - 200 ohm
5 - 200 ohm
SC-P2 FT-N
- -
- -
5 - 200 ohm
5 - 200 ohm
5 - 200 ohm
CN19V
1 18VDN
GND
2
- 131 -
Black ( + )
SC-L1 SC-L2
5 - 200 ohm 5 - 200 ohm
-
-
-
Black ( + )
SC-U SC-V
5 - 200 ohm 5 - 200 ohm
-
-
-
CNCT2
Connects to ACCT
with lead wire
SC-L3
5 - 200 ohm
- -
- -
- -
SC-W
5 - 200 ohm
- -
- -
- -
CN-P, CN-N
Connects to connector
RYPN
SC-P
DCL terminal
SC-P1
DCL terminal
CNRY
12 VDC
1
2 GND (Power-supply board)
LED1
Lit: Inverter operation
Blinking: Inverter error
LED4
Lit: Microcomputer is energized.
Unlit: Microcomputer is not energized.
CN2
Serial communication signal
Signal input
1
2 GND (MAIN circuit board)
3
Signal output
4 GND (MAIN circuit board)
GB