Wascomat SU620 - Page 40

40
No actuator circuit ( > 50 kohm ) A C
Faultinarmeringcircuit(internalcircuitinsideDLCU)   C
No rotation when motor is running A
Rotation when motor is stopped B
CPUandDLCUwaterlevelnotmatching   C D
Water in drum when door is unlocked A B
Motor is running when door is unlocked B C
Check sum error D
From DLCU (first data byte)
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
0
1
DLCU
detects
unlock
command
from CPU
DLCU
detects no
rotation
DLCU
detects
motor stop
from CPU
DLCU
detects no
water in
drum
DLCU
have not
generated
unlocking
DLCU
have not
generated
locking
pulse
DLCU
detects lock
command
from CPU
DLCU
detects
rotation
DLCU
detects
motor run
from CPU
DLCU
detects wa-
ter in drum
DLCU
have
generated
unlocking
pulse
DLCU
have gene-
rated lock-
ing pulse
Always 1
Always 0
CommunicationCPU-DLCUshowedintheserviceprogram
From DLCU (second data byte)
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
DLCU
detects
CPU
level = low
Error bit A
not activa-
ted
Error bit B
not activa-
ted
Error bit C
not activa-
ted
Error bit D
not activa-
ted
DLCU
detects
CPU
level = high
A B C D
Always 0
Always 0
Always 0
Error code
From CPU (first data byte)
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
CPU
detects
door not
closed (S3
open)
CPU de-
tects door
not locked
(S4 open)
CPU de-
tects door
closed (S3
closed)
CPU de-
tects door
locked (S4
closed)
Always 1
Always 0
Always 0 Always 0
Always 0 Always 0
From CPU (second data byte)
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
Always 1
Normally 0
Normally 0 Normally 0
Normally 0 Normally 0
Normally 0
Normally 0
Set service reset 0 1 0 0 0 1 0
Set paus opening 0 0 0 1 0 1 0
Send softw. art. nr. 1 1 0 1 0 0 1
DATA command
0
1
0
1
Program unit