38
Check whether the faucet is turned on
Check whether the inter-terminal
resistance of inlet valve is 4.3k
Ω
Unplug the inlet hose and then check
the impurities
Check the malfunctions in valve
Check the connection of connector
with naked eyes
Check whether the inter-terminal
resistance of inlet valve is 4.3k
Ω
Check any disconnections in wiring
-> Inspect circuit
See the inspection of "Water Level"
defects
Inspect any openings and blockages
in pressure hoses
Check the malfunctions in valve
Check any leaks from the sides of
inlet valve
3) Inspection and Repairs of Water Inlet Valve
Defects
Descriptions
Causes
Inpsection Method
Repair Method
Water
supply
unavailable
Water
supply
unavailable
Constant
water supply
(into tub)
Others
Water is not
supplied despite
the "drone"
Water supply
continues with
the power "ON"
Power is "OFF"
Constant leaks
on sides
Faucet is turned off.
Short coil
Excessive impurities
on SUS filter
Impurities in valve
Disconnected
connector
Coil wire
Disconnection in
wiring
Defective water
level sensor
Inspect any openings and
blockages in pressure hoses
Defective valve
Check any leaks from
the sides of inlet valve
Turn on the faucet
Exchange the part
if it is open
Remove impurities and
"cleanse" the filter
Exchange the inlet valve
Reconnect the
connector
Exchange the inlet
valve
Exchange the
harness
Exchange the
water level sensor
Exchange the
defective part
Exchange the inlet valve
Exchange the inlet
valve
"IE"
"IE"
"IE"
"IE"
"IE"
"IE"
"IE"
"E2"
"E2"
-
-
PCB Error
Mode
1. Inspect the insertion of
PCB pin
2. Unavailable power or
water supply to inlet valve
terminal
1. Water supply starts
promptly when the power
is turned "ON".
1. Examine whether the water
supply continues even
when the power supply is
cut off
1. Examine the
operation/water supply of
inlet valve
2. Examine the drainage
through the drainage hose
3. Check any impurities in
valve housing
4) Defects and Relevant Parts
Unavailabl
e water
supply
Incessant
water
supply
PCB
PCB
Inlet Valve
Synchronous
Drain Motor
(Valve
Housing)
Easily detachable if
the wire is pulled
Open or destroyed PCB
inlet circuit (Water
relay unavailable)
Short circuit in PCB
inlet circuit or water
relay (Incessant electric
transmission to valve)
Deformed water inlet
valve bellows
• Unclosed due to
impurities in
drainage housing
Housing on pin
connection not
properly inserted
Defective inlet
circuit
Short circuit in
water relay
Defective inlet
valve
• Impurities in
valve housing
• Impurities
• Error in returns
of synchronous
motor
Insert the housing
on pin connection
completely
Exchange the PCB
Exchange the PCB
Exchange the inlet
valve
• Remove
impurities
• Remove
impurities
• Exchange the
synchronous motor
Содержание D-CV701AW Series
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