Error code Error
Bit-0 DC over voltage
Bit-1 DC under voltage
Bit-2 hardware error
Bit-3 Inverter over voltage
Bit-4 Frequency over
Bit-5 Frequency under
Bit-6 AC voltage RMS over
Bit-7 AC voltage RMS under
Bit-8 Peak AC voltage over
Bit-9 AC current RMS over
Bit-10 Peak AC current over
Bit-11 Temperature over
Bit-12 ADC error
Bit-13 GFDI fault indicator
Bit-14 Relay fault
Bit-15 PLC Communication Error
TROUBLESHOOTING
In case of fault, BDM inverter has multiple protective functions and stops output power. The fault message may be sent to
a connected BDG-256 gateway through power line communication. For BDM-WiFi, the same alert is sent through WiFi
internet connection, and can be monitored through NEPViewer (please refer to the tech note “Configuring BDM WiFi”). The
alert message is a 16-bit code.
DO NOT ATTEMPT TO REPAIR THE BDM-600; IT CONTAINS NO USER-SERVICEABLE PARTS. IF TROUBLESHOOTING
METHODS FAIL, PLEASE RETURN THE BDM-600 TO YOUR DISTRIBUTOR FOR MAINTENANCE.
NEVER DISCONNECT THE DC WIRE CONNECTORS UNDER LOAD. ENSURE THAT NO CURRENT IS FLOWING IN THE DC
WIRES PRIOR TO DISCONNECTING. AN OPAQUE COVERING MAY BE USED TO COVER THE MODULE PRIOR TO
DISCONNECTING.
BDM-600 IS POWERED BY DC POWER FROM PV MODULES. MAKE SURE YOU DISCONNECT THE DC CONNECTIONS
AND RECONNECT DC POWER TO WATCH FOR THE TWO SECONDS LED ON AND TWO SECONDS LED OFF AFTER DC IS
APPLIED.
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