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6-6
Alarm code
Content
Possible cause
E201
Pump-down does not end
Injection solenoid valve does
Wrong wiring
within 60 seconds.
not close.
Coil burned out
Coil fell out
Leakage of hot gas solenoid valve
Valve blocked with contamination
Defrosting solenoid valve
Valve blocked with contamination
Discharge gas by-pass solenoid valve
Valve blocked with contamination
Low pressure sensor value is
Printed-circuit board malfunction
abnormal
Pressure sensor malfunction
E203
Overcool protection function
Suction modulating valve does
Lead wire breakage
actuate (control sensor
≤
not operate.
Wrong wiring
SP– 3.0) in the chilled ot partial
Coil burned out
frozen mode for 3 minutes or
Adopter PCB is defective
longer.
Valve blocked with contamination
Insufficient evaporator fan air flow rate
Air passage is blocked by foreign materials
(Only for partial frozen mode)
Evaporator fan damaged
Air short circuit around evaporator
Evaporator fan motor thermal
Evaporator fan interferes with guide
protector activates
Lead wire breakage
Air passage is blocked by foreign material
E207
Defrosting time is 90 minutes
Evaporator outlet sensor gets off from the evaporator outlet tube.
long
Insulation pipe cover of evaporator outlet sensor is improperly installed.
Evaporator outlet sensor is defective.
Defrosting solenoid valve does Lead wire breakage
not open
Coil burned out
Valve blocked with contamination
Hot gas solenoid valve does
Lead wire breakage
not open.
Coil burned out
Valve blocked with contamination
Injection solenoid valve does
Lead wire breakage
not open
Wrong wiring
Coil burned out
Coil fell out
Valve blocked with contamination
High-pressure transducer or low-pressure transducer malfunction.
Evaporator outlet sensor value
Printed-circuit board malfunction
is abnormal
Sensor malfunction
Excessive frosting
E303
Humidity setting request
E305
Defrosting interval setting request
CPU board (SRAM) malfunction
Resetting
E307
Calendar setting request
E311
Trip start setting request
E401
Supply air temperature sensor Line breakage
(SS) malfunction
Short circuit
Wrong wiring
Sensor value is abnormal
Printed-circuit board malfunction
E402
Data recorder supply air
Line breakage
temperature sensor (DSS)
Short circuit
malfunction
Wrong wiring
Sensor value is abnormal
Printed-circuit board malfunction
E403
Return air temperature sensor Line breakage
(RS) malfunction
Short circuit
Wrong wiring
CPU board malfunction
E404
Data recorder return air
Line breakage
temperature sensor (DRS)
Short circuit
malfunction
Wrong wiring
CPU board malfunction
E405
Discharge temperature sensor Line breakage
(DCHS) malfunction
Short circuit
Wrong wiring
CPU board malfunction
E406
Suction gas sensor (SGS)
Line breakage
malfunction
Short circuit
Wrong wiring
CPU board malfunction
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Summary of Contents for LXE10E-A4
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