Daikin LXE10E-A14 Service Manual page 81

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<Replacement procedure for the controller>
(1) Remove speed bolts (2 pcs) on the controller body, then remove the connector.
Be sure to keep voltage indicator, the battery and the battery fixing plate for reinstallation.
Voltage indicator, battery,
battery fixing plate
Connector CN11
(electronic expansion valve)
Connector CN16
(optional modem)
Connector CN2
(PT/CT board)
Connector CN15
(personal computer port)
(2) Open the controller body, then disconnect the connectors w through i on the terminal board mounting plate !0 .
(3) Disengage clamps o fixing the harness.
o Clamps
(4) Remove screws (2 pcs) fixing the controller, and replace the controller with a new one.
(5) In the reverse procedure, set the connector, the terminal speed bolts and the mounting screws into the original setup.
Install the battery and the voltage indicator removed from the previous controller before replacement by
using the battery fixing plate.
CAUTION
Controller body
Connector
CN26 (battery)
Connector CN17
(indication board)
w CN3
I/O board
e CN2
I/O board
r CN1
I/O board
t CN4
Adopter board
Mounting screw
4 pcs
Voltage indicator
Battery, battery fixing plate
Make sure that the connector is firmly connected.
Connector CN15
(optional recorder)
!0 Terminal board
3-47
Speed bolts (2 pcs)
u CN7
CPU board
i CN6
CPU board