TBB APOLLO MAXX Series, User Manual

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Apollo Maxx User Manual
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6. FAQ
6.1 Fault code
When inverter fault occurs, press the ESC button to view the fault code. The digital tube in the
middle of LCD displays the fault code, and the digital tube on the left side of LCD displays the
"Err".
6.1.1 Inverter Fault
Fault Code Description Solution
01 The DC bus is over voltage Check the battery voltage.
02 The DC bus is under voltage
Check the battery connection and
the voltage.
03
Hardware protection against DC bus
over voltage
Check the battery voltage and the
charger output voltage
04 Abnormal auxiliary power supply
Restart the inverter. Contact the
installer in case it still exists
05 The heat sink's temperature is too high
Check and assure the inverter has
good ventilation
06
The transformer's temperature is too
high
Too high ambient temperature.
07 Abnormal sampling
Restart the inverter. Contact the
installer in case it still exists.
08 Abnormal ROM
09 Output short circuit
Check if there is a short circuit at
the loads.
10 Output over load Reduce the loads.
11 Abnormal cooling system Checking if fan is working properly.
12 Battery is severely under voltage
Connect to a valid grid or
generator. Restart the inverter and
charge the battery.
14 Instantaneous over current
Check if there is a short circuit at
the loads.
15 Emergency stop Check the EPO Dry Input.
16 Abnormal Relay
Restart the inverter. Contact the
installer in it case it still exists.