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User Actions for System Anomalies

Anomaly: Insulation

  • Description: Resistance between the PV module terminals and ground is too low.
  • Possible Causes: Moisture/water infiltration in DC circuit, damaged DC cables, poorly connected grounding circuit.
  • User Actions: Isolate the AC circuit by opening the AC switch/breaker. Isolate the inverter's DC circuit by opening the DC switch (if not available, contact the installer). After 3 minutes, close the DC then AC switches. If the issue persists, contact the installer.

Anomaly: Ground

  • Description: The ground leakage current value is excessive.
  • Possible Causes: Moisture/water infiltration in AC circuit, damaged AC cables.
  • User Actions: Isolate the AC circuit by opening the AC switch. Close the switch after a few seconds. If the issue persists, contact the installer.

Anomaly: Network

  • Description: Network values (voltage/frequency) are out of operation range.
  • Possible Causes: Incorrect inverter wiring to the AC network, weak or unstable network, incorrect inverter settings.
  • User Actions: Ensure the AC switch or disconnector is closed. If the issue persists, contact the installer.

Anomaly: No Network

  • Description: The inverter does not detect network voltage.
  • Possible Causes: The network is not available, incorrect AC circuit wiring, an open protection device in the AC circuit.
  • User Actions: Ensure the AC switch or disconnector is closed. If the issue persists, contact the installer.

Anomaly: PV Overvoltage

  • Description: Photovoltaic voltage exceeds inverter specifications.
  • Possible Causes: Photovoltaic module voltage is too high.
  • User Actions: Isolate the AC circuit by opening the AC switch/breaker. Isolate the inverter's DC circuit by opening the DC switch (if available). If the issue persists, contact the installer.

Inverter Anomalies

Anomaly: Coherence

  • Description: Measurements from the two microprocessors are not consistent.
  • Possible Causes: Software issue, internal circuit problem, inverter failure.
  • User Actions: Immediately isolate the inverter's AC circuit by opening the AC switch. Isolate the DC circuit by opening the DC switch (if not available, contact the installer). After 3 minutes, close the DC then AC switches. If the issue persists, contact the installer.

Anomaly: Temperature

  • Description: High temperature.
  • Possible Causes: High ambient temperature, cooling problem, inverter failure.
  • User Actions: Ensure ambient temperature is below 55°C. Check natural convection of the inverter (absence of obstacles that could block heat dissipation from the radiator). If the issue persists, contact the installer.

Anomaly: Relay

  • Description: AC relay test failed.
  • Other Anomalies: High AC injection, EEPROM fault, SCI anomaly, high or low DC bus voltage, incorrect 2.5V reference, DC sensor fault, GFCI circuit fault.
  • User Actions: Isolate the AC circuit by opening the AC switch/breaker. Isolate the inverter's DC circuit by opening the DC switch (if not available, contact the installer). After 3 minutes, close the DC then AC switches. If the issue persists, contact the installer.

Installer Actions for System Anomalies

Anomaly: Insulation

  • Installer Actions: Isolate AC and DC circuits. Check inverter grounding. Measure resistances between PV(+) & ground and PV(-) & ground. If resistances are above 2 MΩ, check DC wiring and photovoltaic modules for moisture. If one resistance is below 2 MΩ, replace the inverter. Reconnect circuits. If the issue persists, contact hotline.

Anomaly: Ground, Network, No Network

  • Installer Actions: Check AC circuit wiring and ensure protection devices are closed. Verify network voltage and frequency using SunEzy Control software. Adjust operation ranges if necessary (with energy provider approval). If the issue persists, contact hotline.

Anomaly: PV Overvoltage

  • Installer Actions: Isolate circuits and measure open-circuit voltage of the photovoltaic generator. If voltages are too close or exceed the inverter's operating limits, revise the photovoltaic generator configuration. Reconnect circuits. If the issue persists, contact hotline.

For all anomalies, important steps involve isolating circuits, checking connections, and possibly resetting or reconfiguring the system. If problems persist despite these actions, contacting a professional or the hotline for further assistance is recommended.

 

Warning Message Descriptions

Message: No Alarm

  • Description and Solution: No active alarms.
  • Number: 0000

Message: Current Sensor

  • Description and Solution: Issue with the CT current sensor. Contact Schneider Electric customer service.
  • Number: 0031

Message: Thermal Sensor 1

  • Description and Solution: Issue detecting ambient temperature inside the unit. Contact Schneider Electric customer service.
  • Number: 0032

Message: Thermal Condition (LTP)

  • Description and Solution: Low-temperature protection. The inverter resumes normal operation once the temperature returns to normal.
  • Number: 0080

Message: Thermal Condition (OTP)

  • Description and Solution: High-temperature protection. Ensure the back of the unit is not blocked by objects. Verify the inverter is not exposed to direct sunlight and there is adequate ventilation.
  • Number: 0084

Message: COMM2 HW

  • Description and Solution: Internal communication service between the main controller and the redundant controller was interrupted. Contact Schneider Electric customer service if the warning persists for several hours.
  • Number: 0095

Message: Thermal Sensor 2

  • Description and Solution: Issue with the front-end semiconductor (boost) temperature. Contact Schneider Electric customer service.
  • Number: 0103

Message: Thermal Sensor 3

  • Description and Solution: Issue with the inverter semiconductor temperature. Contact Schneider Electric customer service.
  • Number: 0104

Message: Analog Input Deviation 1

  • Description and Solution: Issue with the Digital Analog Converter (ADC) of the Digital Signal Processor (DSP). Network voltage and output current values from the main DSP's analog-digital converter have deviated from reference values. Contact Schneider Electric customer service.
  • Number: 0120

Message: Analog Input Deviation 2

  • Description and Solution: Problem with the Digital Analog Converter (ADC) of the DSP. Input voltage and DC bus voltage values from the main DSP's analog-digital converter have deviated from reference values. Contact Schneider Electric customer service.
  • Number: 0121

Message: Analog Input Deviation 3

  • Description and Solution: Issue with the Digital Analog Converter (ADC) of the DSP. Input current and boost current values from the main DSP's analog-digital converter have deviated from reference values. Contact Schneider Electric customer service.
  • Number: 0122

Message: Analog Input Deviation 4

  • Description and Solution: Problem with the redundant processor's analog-digital converter. Network and inverter voltage values from the redundant processor's analog-digital converter have deviated from reference values. Contact Schneider Electric customer service.
  • Number: 0123

Message: Analog Input Deviation 5

  • Description and Solution: Issue with the redundant processor's analog-digital converter. DC output current values from the redundant processor's analog-digital converter have deviated from reference values. Contact Schneider Electric customer service.
  • Number: 0124

Message: HW Efficiency

  • Description and Solution: Abnormal efficiency. Contact Schneider Electric customer service.
  • Number: 0130

Message: RCMU Error

  • Description and Solution: Issue with the RCMU unit. The self-test is not working correctly, and the inverter is disabled. Contact Schneider Electric customer service.
  • Number: 0140

Message: Relay S/C Test

  • Description and Solution: The relay test detected a short circuit. Contact Schneider Electric customer service.
  • Number: 0150

Message: Relay O/C Test

  • Description and Solution: The relay test detected an open circuit. Contact Schneider Electric customer service.
  • Number: 0151

Message: ZC HW Error

  • Description and Solution: Zero crossing circuit failure. Contact Schneider Electric customer service.
  • Number: 0160

Message: COMM1 HW

  • Description and Solution: An internal communication service interruption occurred between the main processor and the display. Contact Schneider Electric customer service if the warning persists for several hours.
  • Number: 0195

Message: High AC Voltage

  • Description and Solution: The output current exceeds the nominal value. Contact Schneider Electric customer service if this warning is displayed frequently.
  • Number: 0460

Message: AC Overcurrent

  • Description and Solution: Overvoltage protection circuit OOCP HW in output. Contact Schneider Electric customer service if this warning is displayed frequently.
  • Number: 0461

Message: DC Overvoltage

  • Description and Solution: Bus, positive bus, or negative bus voltage exceeds the nominal voltage. Have a qualified installer verify the PV array installation and DC wiring according to this manual. Contact Schneider Electric customer service.
  • Number: 0601

Message: DC Overcurrent

  • Description and Solution: FV1 overcurrent or FV1 transient overcurrent. FV2 overcurrent or FV2 transient overcurrent. Contact Schneider Electric customer service.
  • Number: 0620

Message: Injected DC

  • Description and Solution: DC injected. Contact Schneider Electric customer service if this warning is displayed frequently.
  • Number: 0701

Message: High Earth Current

  • Description and Solution: The RCMU unit triggered. Excessive stable residual current or sudden change in residual current. Have a qualified installer verify the PV array does not have grounding issues. Contact Schneider Electric customer service if this warning is displayed frequently.
  • Number: 0702

Message: Low AC Frequency

  • Description and Solution: Frequency range too low. Some network parameters are temporarily out of the normal value range. The inverter resumes normal operation once parameters return to normal; the LED is solid green. Wait for the inverter to resume energy production.
  • Number: 2401

Message: High AC Frequency

  • Description and Solution: Frequency range too high. Wait for the inverter to resume energy production.
  • Number: 2402

Message: Low AC Voltage

  • Description and Solution: Warning of too low voltage. Wait for the inverter to resume energy production.
  • Number: 2406

Message: High AC Voltage

  • Description and Solution: Warning of voltage above the range. Wait for the inverter to resume energy production.
  • Number: 2407

Message: Network Quality

  • Description and Solution: The total harmonic distortion of the voltage is above 3%. Wait for the inverter to resume energy production.
  • Number: 2440

Message: No Network

  • Description and Solution: The network voltage does not fall within the valid value range or is not present. If the message persists, have a qualified installer verify that the AC plug connection and AC wiring are correct.
  • Number: 2450

Message: High PV Voltage

  • Description and Solution: Input PV voltage of string 1 or string 2 is too high. Have a qualified installer verify that the PV array voltage falls within the allowed specifications for the inverter.
  • Number: 2606

Message: Impedance Isolation Error

  • Description and Solution: The impedance to ground on one of the inputs is below the set value for the insulation test (default value 1200 kOhm). Have a qualified installer verify that the PV array does not have grounding issues.
  • Number: 2616

Models: Conext RL3000E-S
RL3000E
RL4000E-S
RL4000E
RL5000E-S
RL5000E
SunEzy 2801 3043 4665 6065
TL8000E
TL10000E
TL15000E
TL20000E
CL-18NA CL-25NA CL-20E CL-25E
CL-36E CL-60E
CL20000E CL25000E

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