Sime ECOMAXI VB 300 S Instrucciones De Instalación Y Funcionamiento página 65

Part 6: Common Failures and Solutions
Failure
Failure Name
Code
High pressure
P1
switch failure
Protection for
P2 high discharge
temperature
P3
E-Anode failure
Communication data
E0 transmission
failure
Ambient
E2 Temperature
sensor failure
Evaporator coil
E3 Temperature sensor
failure
Water tank
E5 Temperature sensor
failure
Discharge
E6 Temperature sensor
failure
Suction temperature
E7
sensor failure
Solar collector
E8 temperature sensor
failure
EEPROM
EE
Parameter error
Table 1 Failure Code Table
Reason
1. High pressure switch is
broken.
2. Refrigerant is too much.
3. There is non-condensablegas
in the refrigerant system.
1. Refrigerant is notenough.
2. There is non-condensablegas
in the refrigerant system.
1.Wire lose；
An open or short circuit
between circuit board and
display.
1. The connecting wire of sensor
is open circuit or short circuit；
2.The senor is broken；
1. The connecting wire of sensor
is open circuit or short circuit；
2.The senor is broken；
1. The connecting wire of sensor
is open circuit or short circuit；
2.The senor is broken；
1. The connecting wire of sensor
is open circuit or short circuit；
2.The senor is broken；
1. The connecting wire of sensor
is open circuit or short circuit；
2.The senor is broken；
1. The connecting wire of sensor
is open circuit or short circuit；
2.The senor is broken；
PCB initialized faulty.
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Solution
1. Replace the highpressure
switch.
2. Eliminate excessrefrigerant.
3. Eliminate non-condensable
gas.
1. Increase the amount of
refrigerant.
2. Eliminate non-condensable
gas.
1.Connet the wire again；
1. Fix the connection line.
2. Replace the connectionline
or display.
1. Repair the wire.
2. Replace the sensor.
1. Repair the wire.
2. Replace the sensor.
1. Repair the wire.
2. Replace the sensor.
1. Repair the wire.
2. Replace the sensor.
1. Repair the wire.
2. Replace the sensor.
1. Repair the wire.
2. Replace the sensor.
Replace PCB and display.