Omron KP100L-OD - 12-2010 User Manual page 99

4 Maintenance Operations
E2-4: Insulation resistance fault
Situation
Possible Cause
Remedy for User
Remedy for Professional
E3-4: Over Temperature
Situation
Possible Cause
Remedy for User
Remedy for Professional
A2-5: Abnormality of fan
Situation
Possible Cause
Remedy for User
Remedy for Professional
Other Errors
Situation
Possible Cause
Remedy for User
Remedy for Professional
4 - 8
Insulation resistance drops in the solar module equipment.
1. The PV array installation or the array themselves might be faulty.
1. Make sure the breaker and switch on AC side are close. Operation will restart
automatically when the grid voltage returns to normal.
2. Check the AC wiring
3. If the problem persists, contact the store from which you purchased the product or
your installer.
1. Make sure the breaker and switch on AC side are close.
2. Check the AC wiring
3. If the problem persists, please replace the Inverter.
KP100L internal temperature is high.
1. Ambient temperature is too high.
2. Heat dissipation problem
3. Inverter is abnormal.
1. Make sure the ambient temperature of installation is less than 60C. Operation will
restart automatically when the temperature returns to normal.
2. Check the space near the heat sink.
3. Remove any obstacle that block the heat dissipation near heat sink
4. If the problem persists, contact the store from which you purchased the product or
your installer.
1. Make sure the ambient temperature of installation is less than 60C.
2. Check the space near the heat sink.
3. Remove any obstacle that block the heat dissipation near heat sink.
4. If the problem persists, please replace the Inverter.
The rotational speed of the fan decreases below the threshold.
1. Something is blocking the ventilation holes.
2. The end of life time of the fan.
3. The fan is abnormal.
1. If something is blocking the heat sink, remove it.
2. If nothing is blocking the heat sink, the fan may have reached the end of its service
life. Contact the store from which you purchased the product or your installer.
1. If something is blocking heat sink, remove it.
2. If nothing is blocking heat sink, the fan may have reached the end of its service life.
3. Change the fan according to Chapter 5.
The KP100L detects an abnormality.
1. Contact the store from which you purchased the product.
Grid Connect Photovoltaic Inverter KP100L-OD- USER'S MANUAL