22
SUNSYS H50
- Ref.: IOMSUNHMXX05-GB 01
22
9. MESSAGES
9.1. ERROR
MESSAGES
Description of error messages
Message
Description
Solutions
E01: Grid Freq
Over Rating
1. Grid frequency higher than nominal
2. Country configuration incorrect
3. Measuring circuit failure
1. Check the grid frequency value
2. Check the country setting
3. Contact the technician
E02: Grid Freq
Under Rating
1. Grid frequency lower than nominal
2. Country configuration incorrect
3. Measuring circuit failure
1. Check the grid frequency value
2. Check the country setting
3. Contact the product technician
E07: Grid
Quality
1. Excessive distortion caused by loads
connected to grid or near inverter
2. Measuring circuit failure
1. Check for the existence of non-linear loads
connected to the grid
2. Contact the technician
E09: No Grid
1. No AC power
2. AC switch contacts open
3. Plug not connected
4. Internal fuses blown
1. Check the grid voltage value
2. Close the AC breaker contacts
3. Check the connection and wiring
4. Contact the product technician
E10: Grid Volt
Under Rating
1. AC voltage lower than nominal
2. Country configuration or grid setting incorrect
3. AC plug wrongly connected
4. Internal fuses blown
1. Check the grid voltage value
2. Check the country/voltage limits setting
3. Check wiring in the manual
4. Contact the technician
E11: Grid Volt
Over Rating
1. AC voltage higher than nominal
2. Country configuration or grid setting incorrect
3. AC plug wrongly connected
4. Internal fuses blown
1. Check the grid voltage value
2. Check the country/voltage limits setting
3. Check wiring in the manual
4. Contact the technician
E30: DC Volt
Over Rating
1. Input voltage 1 higher than 1000 V
2. Measuring circuit failure
1. Reduce the no. of panels to obtain an open
circuit voltage VOC < 1000 V
2. Contact the technician
E13: Slow Over
Voltage Range
1. AC voltage higher than nominal
2. Country configuration or grid setting incorrect
3. AC plug wrongly connected
4. Internal fuses blown
1. Check the grid voltage value
2. Check the country/voltage limits setting
3. Check wiring in the manual
4. Contact the technician
E26:Slow Over
Frequency Range
1. AC frequency higher than nominal
2. Country configuration or grid setting incorrect
3. Measuring circuit failure
1. Check the grid frequency value
2. Check the country/frequency limits setting
3. Contact the technician
E27:Slow Under
Frequency Range
1. AC frequency lower than nominal
2. Country configuration or grid setting incorrect
3. Measuring circuit failure
1. Check the grid frequency value
2. Check the country/frequency limits setting
3. Contact the technician
E28: Slow Under
Voltage Range
1. AC voltage lower than nominal
2. Country configuration or grid setting incorrect
3. Measuring circuit failure
1. Check the grid frequency value
2. Check the country/frequency limits setting
3. Contact the technician