Daikin ERQ - 3.7 “C1” AHU: Failure of Transmission (Between AHU PC Board and Fan PC Board)

Troubleshooting by Remote Controller ESIE09-05
162 Troubleshooting
w: ON x: OFF c: Blink
Malfunction
code
Confirmation of malfunction 1 Confirmation of malfunction 2 Confirmation of malfunction 3 Confirmation of malfunction 4
H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P
E1
c x x c cc x x x ccw x x x x xcwwx xcc
E3
c x x c cc x x x xc x x
∗1
E4
c x c x xc x x x xc x x
E5
c x c x cc x x x xc x x
E7
c x c c cc x x x xc x c
c x x x cc x c
E9
c c x x cc x x x xc x x
c x x x xc c x
H9
c c x x cc x x x xc x x
∗1
F3
c x c x cc x x c cc x x x xc x x
∗1
F6
c x c c xc x x x xc x x c c
J3
c x c c xc x x c cc x x x xc x x
∗1
J5
c x c x cc x x x xc x x
c x x x xc x c
J6
c x c c xc x x x xc x x
J7
c x c c cc x x x xc x x
J9
c c x x cc x x x xc x x
JA
c c x c xc x x x xc x x
JC
c c c x xc x x x xc x x
L1
c x c c c c x x x c c x x x xc x x x x
c x x x c c x x x x c x x x c
c x x x c c x x x xc x x c x
c x x x c c x x x x c x x c c
c x x x c c x x x x c x c x x
L4
c x c x x c x x x x c x x
∗1
L5
c x c x c c x x x x c x x
L8
c c x x x c x x x x c x x
c x x x x c x c
x x x x
c x x x x c c x
c x x x c c x x
L9
c c x x c c x x x x c x x
x x x x x x
c x x x x c x c
c x x x x c c x
LC
c c c x x c x x x x c x c
∗1
xx
Master
xc
Slave1
cx
Slave2
cc
System
Display of contents of
malfunction (first digit)
Display of contents of
malfunction (second digit)
Display 1 of
malfunction in detail
Display 2 of
malfunction in detail
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