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No.
Part name
1) Remove sub board base from inverter
Control P.C.
4
board
frame. (BT 2T Ø4 × 10, 2 pcs.)
assembly
※ Remove connector of control board
2) Remove lead wire ・ connector that are
connected from control board frame to
other parts.
1. Lead wire : Connect with terminal block
Black, white, orange (single phase),
earthed lines (black)･･･ 1 pc.
2. Connector
CN807 ･･･ Display P.C.board (10P : white)
CN804 ･･･ ASM-DYNA
Please cut the bundling band that tie lead wire
of compressor, reactor and display P.C.board
with inverter box(metal plate).
※ Warning 1)
Please remove housing part's lock before
removing connectors.
3) Take off 2 screws that connect inverter
box and P.C.board base. And then remove
inverter box from base.P.C.board base.
Warning 2) Remove P.C.board base's
hook (Hook 1, 2, 3, 4), hold P.C.board
base, pull inverter box up.
4) Remove control board frame from PC
board base. (Remove while heat sink is
still attached to control board frame)
Warning 2)
Remove PC board base's hook (4 places),
hold heat sink, pull up.
5) Take off 2 screws that connect heat sink
and control board frame.
6) Install new control board frame.
Warning 3)
When install new control board frame,
please correctly insert the board. Make
sure to install that heat sink touch metal
plate.
Control
board frame
Procedure
frame side.
※ (Warning 1)
Inverter box
(metal plate)
PC board
base
Hook (4 place)
- 104 -
Remarks
Sub board
base
Power line
ASM-DYNA
Remove
earth screw
Screws
Hook 1, 2
Hook 4, 3
Control
PC board base
board frame
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Troubleshooting
