W'eau 14659, Installation & Operation Manual

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connector) failure
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
Difference of outlet and inlet
water temp. too high
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
E30 Low ambient temp. protection
Beyond the scope of using temp. Stop using
Ambient temp. sensor (Black
connector) failure
Change a new 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
E33
Piping temp. too high
protection under cooling mode
Ambient/water temp. is too high
under cooling mode
Check the scope of using
Refrigerant system is abnormal Check the piping system
E34 Compressor start up failure
Bad wire connection for
compressor
Check the wiring
Wrong phase connection for
compressor
Check the wiring
PCB failure Change a new one
E35 Compressor over current Power supply is abnormal Check the power supply
E36 Compressor output failure
Wrong phase connection for
compressor
Check the wiring
E42
Inner piping temp. sensor
(Green connector) failure
Sensor disconnected or defective Reconnect or replace sensor
E46 DC fan motor malfunction
Bad wire connection Check the wiring of fan motor
Fan motor defective Change a new fan motor