Operation in the low/full water level and water overflow
Low
water
level
sensor
Full
water
level
sensor
Water
overflow
sensor
Water purifying operation
Display
(FND)
FEED V/V NOS V/V Bell
OPEN 0 OPEN 0 SHOR
T
1 Water purifying operation - ON OFF OFF
SHORT 1 OPEN 0 SHORT
1 Water purifying operation - ON OFF OFF
SHORT 1 SHORT 1 SHORT 1 Full water level operation -
1 minute after the
full water level is
detected, the feed
valve is turned of
f.
OFF OFF
SHORT
1 OPEN 0 SHORT
1
Water re-purifying operation
In the full water level
operation, if the low water
level is SHOR
T
and the full
water level is OPEN for 10
minutes or more
- ON OFF OFF
SHOR
T
1 OPEN 0 SHORT
1
Water re-purifying operation
Four seconds after the low
water level is detected, the
feel valve is on.
HEA
TER OFF
COMP
. OFF
- ON OFF OFF
SHOR
T
1 SHORT 1 OPEN 0
Water overflow detecting
operation
(Water overflow is detected
continuously for 20 seconds.)
W
ater overflow detection is
cancelled.
When (101) is detected
continuously for 20 seconds,
normal operation resumes.
OFF
ON
Until water overflow
is SHOR
T
and full
water level sensor
is OPEN, 1 0 1
(Detects
continuously for 20
seconds.)
ding
ding
ding
*
Three
times
OPEN 0
SHOR
T
1 SHORT 1
Low/full water level sensor
error
Heater and compressor
operation stop.
When the sensor returns to
normal status, the operation
resumes.
OFF
ON
Until water overflow
is SHOR
T
and full
water level sensor
is OPEN, 1 0 1
(Detects
continuously for 20
seconds.)
ding
ding
ding
*
Three
times
SHOR
T
1 OPEN 0 OPEN 0
Water overflow or low/full
water level sensor defect
Heater and compressor
operation stop.
If the power is turned of
f and
then on again, the system
returns to normal operation.
W
ater level
sensor fault
alert
Upper parts
flash
OFF ON
ding
ding
ding
* Three
times
OPEN 0
OPEN 0 OPEN 0 OFF ON
ding
ding
ding
*
Three
times
1. Low/full water level detecting time
1) Low/full water level sensor OPEN/SHORT operation is recognized
- When the same status is detected continuously for 4 seconds.
Full water
levelOPEN 0
Low water
levelOPEN 0
Full water
levelSHOR
T
1
Low water
levelSHORT
1
Full water
levelOPEN
0
Low water
levelSHORT 1
Water
overflowSHORT 0
Water
overflowOPEN 0