Airwell YAZE218, Service Manual

Page: 54 / 78

SM YAZE218 1-A.2 GB | 11—23
11—CONTROL SYSTEM
11.6.8 Matrix Table Test Result (tbl)
IDU channels on the DMSMP
Channel1 (j=1) Channel2 (j=2) Channel3 (j=3)
Channel4
(j=4)
EEV
channe-
ls on the
DMSMP
EEV1 (i=1) X
1
=T/F/N/C Y
1
=T/F/N/C Z
1
=T/F/N/C W
1
=T/F/N/C
EEV2 (i=2) X
2
=T/F/N/C Y
2
=T/F/N/C Z
2
=T/F/N/C W
2
=T/F/N/C
EEV3 (i=3)
X
3
=T/F/N/C Y
3
=T/F/N/C Z
3
=T/F/N/C W
3
=T/F/N/C
EEV4 (i=4) X
4
=T/F/N/C Y
4
=T/F/N/C Z
4
=T/F/N/C W
4
=T/F/N/C
Stored Matrix Type
[Rows, Column]
How to present?
2 x 2
Repeat: r1(keep 2 sec) → X
1
Y
1
(keep 2 sec)
Repeat: r2 (keep 2 sec) → X
2
Y
2
→ (keep 2 sec)
3 x 3
Repeat: r1 (keep 2 sec) → X
1
Y
1
Z
1
( keep 2 sec)
Repeat: r2 (keep 2 sec) → X
2
Y
2
Z
2
(keep 2 sec)
Repeat: r3 (keep 2 sec) → X
3
Y
3
Z
3
(keep 2 sec)
4 x 4
Repeat: r1 (keep 2 sec) → X
1
Y
1
Z
1
(keep 2 sec) → W
1
(keep 2 sec)
Repeat: r2 (keep 2 sec)
→
X
2
Y
2
Z
2
(keep 2 sec)
→
W
2
(keep 2 sec)
Repeat: r3 (keep 2 sec) → X
3
Y
3
Z
3
(keep 2 sec) → W
3
(keep 2 sec)
Repeat: r4 (keep 2 sec) → X
4
Y
4
Z
4
(keep 2 sec) → W
4
(keep 2 sec)
Note:
Scrolling between r1, r2, r3, and r4 is done through the ‘Up’ and ‘Down’ buttons
De nitions
e D m r e T nition
‘F’
Clogged EEV
EEV Coil problem
EEV driver problem
Clogged indoor unit or part of it. Problem in ICT sensor
Extremely high load at the indoor side
‘T’
Valve always open
EEV coil problem
Driver Problem
C Non detected channel
N Null- never done before