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Understanding the Error Codes
Code
No AC Output. Inverter shutdown due to low
E01
battery voltage.
(Battery
Mode)
Note: E01 will shows for about 30 sec. After 30 sec, Display will turns Off and unit will shutdown completely.
- No battery is connected to the unit.
- Battery voltage remains < 19.0V. A large portion
of the charger current provided is used to
maintain the DC load connected to the battery.
E01
E01 will turn OFF when the battery voltage is
(By-Pass
Mode)
charged to > 19.0V
Note: The charger current with battery voltage < 9.5V is limited to ~25A and there is a 15 minute timer
to allow the charger to charge the battery to > 9.5V. If battery voltage remains < 9.5V after 15 minutes of
charge, the charger will shutdown and show E11 (Bad battery).
When unit is in Battery/Inverter mode, unit senses
the battery voltage is too high and inverter has
E02
shutdown.
When unit is in Battery/Inverter mode, AC output
is overloaded or short-circuited and inverter has
shutdown.
E03
Note: E03 will shows for about 30 seconds. After 30 seconds, Display will turns Off and unit will shutdown
completely.
When unit is in Battery/Inverter mode, Internal
temperature is too high and inverter has
E04
shutdown.
When unit is in Battery/Inverter mode Input
E05
battery voltage is low and warning occurs.
When unit is in Battery/Inverter mode AC output
E06
load connected has been sensed high and is
close to shutdown limit.
When unit is in Batter/Inverter mode Internal
E07
temperature is high and is close to over-
temperature shutdown limit.
When unit is in By-Pass mode, Battery Charging
E10
voltage too high.
WhisperPower Inverter / Battery Charger
Condition
Corrective Action
Recharge the battery immediately and restart
unit.
- Check the battery connection.
- Remove or turn off DC load connected to
the battery to minimize the charging time to
charge the battery to > 19.0V. If this condition is
ignored, the charger will terminate the charging
process (See note below).
Check battery voltage or determine if any
external charger is connected to the battery bank
that leads to high battery voltage.
Check load connected to the output. Reduce
load and restart the unit.
Turn unit off and wait for 15 minutes before
restarting. Check if any object has blocked the
airflow of the unit.
Recharge battery as unit will shutdown shortly.
Reduce AC load.
Note: E06 occurs when AC Output power is
close to 1850W for 2000W units and 2800W for
3000W unit.
Reduce load and check if any ventilation of the
unit is blocked.
Check battery setting. Check and any other DC
power sources connected to the battery has high
voltage.
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