4 Maintenance Operations
4 - 4
Grid Connect Photovoltaic Inverter KP100L-OD-
USER’S MANUAL
E1-2: Under voltage (Grid)
E1-3: Over frequency (Grid)
Situation
UV (AC under voltage) error due to drop of the grid voltage.
Possible Cause
1. The detected AC voltage is under the setting of Inverter.
2. AC connection is not correct.
3. Grid condition is weak or unstable.
4. Other high-power consumption device is affecting the grid system.
5. Inverter is abnormal.
Remedy for User
1. If this problem occurs seldom (such as 1 time a day), no action is necessary.
Operation will restart automatically when the grid voltage returns to normal.
If the problem occurs frequently, do the actions below.
2. Find the device with high power consumption near your AC system.
3. Consult your utility power supplier, understand the grid conditions.
4. Ask help of your installer.
Remedy for Professional
1. Check the system connection including polarities and security first.
2. Find the devices with high power consumption near the AC system.
3. Consult the utility power supplier, understand the grid conditions.
4. Use Inverter software to monitor the frequency and voltage.
5. If the situation is not improved, please replace the Inverter.
Situation
OF (over frequency) error due to rise of the grid frequency.
Possible Cause
1. The detected AC frequency is beyond the setting of Inverter.
2. AC connection is not correct.
3. Grid condition is weak or unstable.
4. Other high-power consumption device is affecting the grid system.
5. Inverter is abnormal.
Remedy for User
1. If this problem occurs seldom (such as 1 time a day), no action is necessary.
Operation will restart automatically when the grid voltage returns to normal.
If the problem occurs frequently, do the actions below.
2. Find the device with high power consumption near your AC system.
3. Consult your utility power supplier, understand the grid conditions.
4. Ask help of your installer.
Remedy for Professional
1. Check the system connection including polarities and security first.
2. Find the devices with high power consumption near the AC system.
3. Consult the utility power supplier, understand the grid conditions.
4. Use Inverter software to monitor the frequency and voltage.
5. If the situation is not improved, please replace the Inverter.
Summary of Contents for KP100L-OD - 12-2010
Page 18: ...17 Grid Connect Photovoltaic Inverte KP100L OD USER S MANUAL ...
Page 21: ...20 Grid Connect Photovoltaic Inverte KP100L OD USER S MANUAL ...
Page 33: ...1 Overview 1 12 Grid Connect Photovoltaic Inverte KP100L OD USER S MANUAL ...
Page 63: ...2 Design 2 30 Grid Connect Photovoltaic Inverte KP100L OD USER S MANUAL ...
Page 103: ...4 Maintenance Operations 4 12 Grid Connect Photovoltaic Inverter KP100L OD USER S MANUAL ...
Page 113: ...6 After Sales Service 6 4 Grid Connect Photovoltaic Inverter KP100L OD USER S MANUAL ...
Page 117: ...7 Specifications 7 4 Grid Connect Photovoltaic Inverter KP100L OD USER S MANUAL ...
Page 125: ...A Appendix A 8 Grid Connect Photovoltaic Inverter KP100L OD USER S MANUAL ...