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4.9.4 Fixing of DMV Opening
For the emergency operation when controller or
DMV coil is malfunctioned, fix DMV opening fully
using emergency magnet.
Preparation : Emergency magnet Parts
No.1896110.
① Disconnect connector X11A（Blue） on CPU
board.（To deenergized to DMV coil)
Refer the location of X11A to CPU board, in
paragraph 1.3.4.
②Remove coil fixing plate and DMV coil.
③ Bring the emergency magnet into contact with
valve head, turn the magnet clockwise to open
fully. There is a small click sound when the valve
is fully opened.
(Approximate 10 turns from full close to full
open.)
④Install coil and coil fixing plate.
Valve body
Emergency magnet
(Yellow label)
Coil
Upside
Coil fixing plate
②
①
①
②Full open
Valve head
ATTENTION !!
Make sure to reconnect connector X11A (Blue)
to the socket on CPU board when the operation
returns to normal.
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