Causes
Check Point
Water tap, water line, water valve filter, case brake, water valve, case sensor
ㆍ
4E error occurs:
- When the flow meter detects 100 or less pulses even 73 seconds after the water
supply.
- When flow meter pulse rate is 5 or less for 13 seconds after the water supply starts.
- When the water supply does not complete 6 minutes after the water supply starts.
#7. Error Code
7-3. 4E (Water Supply Error)
Symptom
ㆍ
4E error is displayed. (‘Smart Auto’ LED On)
Step 1
: Water Tap
!
Check if water tap is open.
"
If water pressure is too low, it may cause 4E error.
! '"#$%&!
Step 2
: Water Line
!
Check if water hoses are kinked or not.
"
Check if water hoses are blocked by foreign materials.
#
Check if there is water leakage at the connection of water valve
Step 3
: Water Valve
!
Check if the valve is blocked with foreign materials.
(
Advise customers to clean the water valve
periodically.
Step 4
: Check when water supply is stopped
!
If the water supply stops after water is supplied for 5 seconds, go to
Step 5
.
"
If the water supply stops after water is supplied for 1~5 minutes, go to
Step 6
.
#
If the water supply stops after water is supplied fully until the floater in Assembly Case
sensor is located in High level sensor, go to
Step 8