Owner’s Manual
BWC EXCEL 10 Turbine
Page 23
DC OVER VOLT 1
1000
The DC Bus voltage has exceeded its maximum
threshold. This occurs if the input power exceeds
the output power. This may occur in exceptionally
high winds especially if the OV Power limit is active
or temperature throttling is occurring.
DC OVER VOLT 2
1500
The DC Input voltage has exceeded its maximum
threshold. This may occur in exceptionally high wind
conditions.
DC UNDER VOLT
1250
The internal DC Boost voltage has dropped below its
minimum threshold. This usually indicates a
configuration problem and is normally never seen.
AC OVER VOLT
2030
The AC line voltage has exceeded its maximum
threshold. This occurs if OV limiting was not able to
influence the high grid voltage. If this happens
routinely consider increasing the output wire gage or
making arrangements with the utility to upgrade their
distribution transformer.
AC UNDER VOLT
2280
The AC line voltage has dropped below its minimum
threshold. It is normal to see this when the inverter
has been disconnected from the grid. It may also
occur momentarily when large equipment is turned
on nearby.
TURBINE PHASE
2500
Indicates that there is a problem with one or more of
the turbine input phases. Bad connection, shorted or
missing phase. When the inverter detects excessive
ripple on the DC input, it shuts down to protect the
turbine from destructive vibration.
OVER CURRENT
3000
Phase A line current sensed by the converter module
has exceeded its maximum current threshold. This
may indicate that current is returning on the earth
ground wire.
OVER CURRENT
3020
Phase C line current sensed by the converter
module has exceeded its maximum current
threshold. This may indicate that current is returning
on the earth ground wire.
OVER CURRENT
3050
The DC Boost phase of the converter module has
exceeded its maximum current threshold. Indicates
a loss of boost control.
OVER TEMP
4000
The internal high temperature threshold has been
exceeded. Check that unit has adequate ventilation,
that the intake and exhaust vents are not obstructed,
and that the cooling fans are operating.
UNDER TEMP
4250
The internal low temperature threshold has been
exceeded. Avoid exposing the unit to temperatures
below -20ºC (-4ºF).
