W'eau WFI-005 - Page 23

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E09
Connection failure
between PCB and
controller
Bad wire connection
Check the wiring
Defective controller
Change a new controller
Defective PCB
Change a new PCB
E10
Communication
failure between PCB
and driver module
Bad wire connection
Check the wiring
Defective PCB
Change a new PCB
E11
Inner piping temp.
sensor (Green
connector) failure
Sensor disconnected or defective
Reconnect or replace sensor
E12
Excessive exhaust
temp.
Insufficient water flow
Check the water circuit system/ water flow switch
Lack of gas
Check if there is a gas leakage
Piping system jammed
Check the piping system
Exhause piping temp. sensor
(Purple connector) detective
Change a new sensor
E15
Inlet water temp.
sensor (Blue
connector) failure
Sensor disconnected or defective
Reconnect or replace sensor
E16
Outer piping temp.
sensor (White
connector) failure
Sensor disconnected or defective
Reconnect or replace sensor
E18
Exhause piping temp.
sensor (Purple
connector) failure
Sensor disconnected or defective
Reconnect or replace sensor
E21
Ambient temp. sensor
(Black connector)
failure
Sensor disconnected or defective
Reconnect or replace sensor
E22
Excessive water temp.
difference
Insufficient water flow
Check the water circuit system/ water flow switch
Outlet water temp. sensor (Red
connector) failure
Change a new sensor
Inlet water temp. sensor (Blue
connector) failure
Change a new sensor
E23
Overcooling
protection under
cooling mode
Insufficient water flow
Check the water circuit system/ water flow switch
Outlet water temp. sensor (Red
connector) failure
Change a new sensor
E27
Outlet water temp.
sensor (Red
connector) failure
Sensor disconnected or defective
Reconnect or replace sensor
E29
Suction piping temp.
sensor (Yellow
connector) failure
Sensor disconnected or defective
Reconnect or replace sensor
E32
Overheating
protection under
heating mode
Insufficient water flow
Check the water circuit system/ water flow switch
Outlet water temp. sensor (Red
connector) failure
Change a new sensor