19
2.3 Error Codes
When the charger can not work normally, it will show the error code on the LCD display as
Table 1. You may proceed troubleshooting indicated as below.
Error Code
Description
Trouble Shooting
AL04
Input Over-voltage
Reduce input voltage
AL05
Input Under-voltage
Increase input voltage
ER04
Battery Voltage different
from Setting
Ensure battery voltage and proceed
setting
ER11
Input over power
Decrease solar power (Watt) or reduce
load connected
ER13
Output Short Circuit
Check to see if the output short circuit is
removed.
ER17
EEPROM Error
Consult with your local agent
ER18
Over-heat
Reduce the ambient temperature and
reduce load connected.
ER25
Input Over-current
Decrease solar power(Watt) or reduce
load connected.
ER28
Output Voltage too high
Re-start the charger
ER32
Memory Error
Re-start the charger
ER33
Charger is self-locked
Check to see if the operation condition is
complied with what the charger requires.
ER34
Crystal damage
Consult with your local agent
ER35
Output voltage too low
The charger will be automatically re-start
after 15 seconds.
ER36
Bat. Over-heat
Reduce the environmental temperature of
the battery
ER37
Fan out of order
Check to see if fan is blocked.
ER38
AUTO Function Enable
Reset the output voltage manually
ER39
Failure in
“
save
”
Re-setting
Table 1 Error Code
Caution!
Before any troubleshooting is on process, make sure the solar panels and batteries are
disconnected. If the error code still exists, please consult with your local agent.
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