LED Indicator Code
One half-second flash /
four seconds off
Three half-second flashes /
four seconds off
Four half-second flashes /
four seconds off
Five half-second flashes /
four seconds off
Six half-second flashes /
four seconds off
Eight half-second flashes /
four seconds off
Nine half-second flashes /
four seconds off
Two half-second flashes /
four seconds off
Seven half-second flashes /
four seconds off
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ALL RIGHTS RESERVED.
BAF-INST-216-ENG-01 REV. B
LED ERROR CODES
Status
The fan drive electronics
Over
have exceeded safe
temperature
operating temperature limits.
The fan drive electronics
Output device
have failed or output phase
failure
loss has occurred.
Internal
The main fan drive has failed
communication
to respond to the command
error
source (daughterboard, etc.).
DC buss
Buss voltage has fallen
undervoltage
below 255 VDC.
DC buss
Buss voltage has exceeded
overvoltage
373 VDC.
Motor
Thermal motor overload
overload/
protection has been
thermal trip
activated.
The hardware current limit
has been reached. A severe
Current limit/
overload or short circuit
short circuit
condition exists on the fan
drive output.
The fan failed to accelerate
Motor stall
to the target RPM within one
minute of startup.
The run enable circuit is
Run enable
open and motor operation is
jumper open
disabled.
Description
Solution(s)
The fan will shut down
for five minutes, and then
attempt to restart twice.
If the fan does not restart
after two attempts, reset
power to the fan.
If the fan still does not
restart, contact Customer
Service.
The fan will shut down
and will not attempt to
restart. Contact Customer
Service.
AirGo & Black Jack:
Contact Customer Service.
Essence & Pivot 2.0:
Make sure the blue wire
and the yellow wire on the
controller input cable are
wired together, or check
for a false fire relay trip.
If the circuit is open or
the fire relay has tripped,
close the circuit and turn
off power to the fan for 60
seconds.
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