I N S T A L L A T I O N M A N U A L H 5 0 0 0 H Y B R I D I N V E R T E R
R e v . 2 © 2 0 1 7 D a r f o n E l e c t r o n i c s C o r p . 16 | P a g e
On the Power Flows Page, the icon will flash when an overload has occurred.
On the Power Flows Page, the icon will flash when there is a warning. Listed below are the warning codes and
their solutions.
ON – 0.25sec
OFF – 0.75sec
1. The output power is higher than 5500W.
2. If the output power is between 5500W and 7500W, the system will shut down after 40
seconds and restart. If the system shut down 3 times it will not restart again.
3. If the output power is higher than 7500W, the system will shut down after 1 second but
not restart.
1. Shut downthe system completely.
2. Restart the system to see if it’s OK.
3. If error message still remains, please contact your installer.
1. Shut down the system completely.
2. Restart the system to see if it’s ok. If error message still remains, please
contact your installer.
PV input voltage reads low.
1. Check if the open circuit voltage of PV modules is higher than 500VDC.
2. If PV open circuit voltage is less than 500VDC and the error message remains,
pelase contact your installer.
1. Shut down the system completely.
2. Restart the system to see if it’s ok. If error message still remains, please
contact your installer.
Power grid voltage exceeds the upper threshold
Power grid frequency falls below the lower threshold
Power grid frequency exceeds the upper threshold
Power grid frequency falls below the lower threshold
Battery voltage is too low.
1. The battery voltage is less than 42V.
2. Wait PV or Grid to charge up the battery.
1. Battery capacity is < 30% or battery voltage is < 45.6V.
2. Wait for PV or Grid to charge the battery.
1. Shut down the system completely.
2. Check if the battery is connected firmly.
3. Restart the system to see if it’s ok. If error message still remains, please
contact your installer.
1. Shut down the system completely.
2. Restart the system to see if it’s ok. If error message still remains, please
contact your installer.
Alarm Buzzer: ON – 1sec, OFF – 1sec
RS485 communication fault
1. Shut down the system completely.
2. Restart the system to see if it’s ok. If error message still remains, please
contact your installer.
1. When system temperature is too high, the output power is de-rating.
2. Lower the load or lower the environmental temperature.