Daikin LXE10E-A Service Manual page 156

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Alarm code
Operating current of the compressor is great
E103
(Electronic type OC)
Operating current of the compressor is high
E105
(Micro-
computer type
OC)
The discharge gas temperature is excessively high
E107
Shortage of refrigerant is detected
Low pressure is decreased during operation
E109
Pumpdown is not completed within 120 seconds
E201
Overcooling prevention (control sensor<=SP-3.0)
E203
continues for three minutes or longer in the chilled or
partial frozen mode
The inside fan motor stops
E205
Defrost cannot be completed within 90 minutes
E207
Content
6-14
Possible cause/checkpoint
Single phase operation due to faulty contact
・Magnetic contactor for compressor
・Compressor cable
・Compressor terminal
Malfunctioned equipment
・Compressor lock
・Actuation of thermal protector CTP for compressor
・Faulty PT/CT board (EC5)
・Faulty controller (CPU, I/O board)
Wrong initial setup of PT/CT board (jumper wire)
(Single or Dual power supply, 10HP or 5HP)
Single phase operation due to incomplete contact
・Magnetic contactor for compressor
・Compressor cable
・Compressor terminal
Malfunctioned equipment
・Compressor lock
・Faulty CT of PT/CT board
・Abnormal controller (CPU board)
Wrong initial setup of controller
(Single or Dual power supply, 10HP or 5HP)
Clogged refrigerant system
・Dryer
・Filter
Shortage of rafrigerant
Malfunctioned equipment
・Faulty operation of ISV
・Clogged capillary at ESV outlet
Clogged refrigerant system
・Dryer
・Filter
Shortage of rafrigerant
Refer to the "Unit operates but soon stops" and "Low
pressure is excessively low" in "6. Troubleshooting"
Malfunctioned equipment
・Faulty low pressure transducer LPT
・Faulty controller (CPU board)
・Blown fuse Fu3
The solenoid valve cannot be closed (dusts caught in)
・LSV (liquid solenoid valve)
・HSV (hot gas solenoid valve)
・DSV (defrost solenoid valve)
・BSV (discharge gas bypass solenoid valve)
Faulty operation of compressor
Malfunctioned equipment
・Controller
・Low pressure transducer LPT
Refer to the "Control is unstable" and "Temperature
continues to decrease" in "6. Troubleshooting"
Faulty operation of evaporator fan motor
・Motor lock
・Burned-out motor coil
・Operation of thermal protector CTP for compressor
・Disconnection on the secondary side of electromagnetic
contactor for evaporator fan
Faulty evaporator fan propeller
・Propeller ice lock
・Foreign matters caught in propeller
Malfunctioned equipment
・Faulty sensor (EOS, RS, HPT, LPT, DCHS)
・Faulty controller
・Faulty operation of HSV, DSV, ISV
・Faulty operation of discharge pressure regulating valve
Abnormal refrigerant system
・Sfortage of refrigerant
・Heavy frosting