Daikin LXE10E-A14 Service Manual page 137

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Alarm code Content
E407 Evaporator inlet sensor (EIS)
malfunction
E409 Evaporator outlet sensor
(EOS) malfunction
E411 Ambient sensor (AMBS)
malfunction
E413 Low pressure transducer
(LPT) malfunction
E415 High pressure transducer
(HPT) malfunction
E417 Voltage sensor (PT1)
malfunction
E419 Voltage sensor (PT2)
malfunction
E421 Current sensor (CT1)
malfunction
E423 Current sensor (CT2)
malfunction
E425 Pulp temperature sensor
E427 (USDA1 to 3) malfunction
E429
E431 Humidity sensor (HuS)
malfunction
E603 Line breakage of suction
modulating valve (SMV) or
drive circuit malfunction or
wrong setting of controller
E607 Abnormal contact point of
manual defrost key
(sheet key)
E707 Momentally power failure
Line breakage
Short circuit
Wrong wiring
CPU board malfunction
Line breakage
Short circuit
Wrong wiring
CPU board malfunction
Line breakage
Short circuit
Wrong wiring
CPU board malfunction
Line breakage
Short circuit
Wrong wiring
CPU board malfunction
Line breakage
Short circuit
Wrong wiring
CPU board malfunction
Sensor malfunction
CPU board malfunction
Sensor malfunction
CPU board malfunction
Sensor malfunction
CPU board malfunction
Sensor malfunction
CPU board malfunction
Wrong wiring in the USDA receptacle.
Line breakage in the USDA receptacle.
Short circuit in the USDA receptacle.
Junction cable breakage
Junction cable poor contact
Wrong wiring in the control box
Short circuit in the control box
Pulp temperature sensor malfunction
CPU board malfunction
Lead wire breakage
Wrong wiring
Humidity sensor malfunction
CPU board malfunction
Lead wire breakage
Wrong wiring
CPU board malfunction
Wrong setting of initial setting of controller (DECOS a, b, c)
Switch malfunction
Short circuit
CPU board malfunction
Commercial power supply stops for 40 to 300msec.
6-7
Possible cause