© 2015 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com 50
Rev. Date 090415
Code
Name
Code Type Factory
Setting Description
Symptoms
Troubleshooting Tips
1009
Heatsink Temperature
High Warning
Warning
75C
The controller
multiplies the current
torque command by
0.5 when the heatsink
reaches 75C. There is
no hysteresis on this
value. It goes back
to full speed when
the temperature falls
below the warning
value.
Fan runs slower
Operating Ambient
temperature
exceeded
Blade end caps have
no/poor venting
Gap between blade
root and cover too big
1010
Heatsink Temperature
High Fault
Auto-
Reset
85C
Fan stops
1011
Controller PCB
Temperature High
Warning
Warning
75C
Fan runs slower
Operating Ambient
temperature
exceeded
1012
Controller PCB
Temperature High
Fault
Auto-
Reset
80C
Fan stops
1013
Phase Current
Following Error
Auto-
Reset
Fan stops
Groaning/grinding
sounds
Verify blade setting
Fan hits an
obstruction
Verify motor
parameters
Perform Power
calibration (precursor
to 1004-1006)
1014
Sudden Change of
Speed
Auto-
Reset
20%
10 rpm
0.1 sec.
The controller looks
for a % change in
speed bounded by
a minimum RPM
change in a certain
amount of time. If
both conditions are
met, then the drive
will disable.
Fan stops
Verify there are no
possible obstructions
in the path of the fan
blades.
Verify motor
parameters
Perform Power
calibration - Could
come from startup
oscillation.
1015
Tilt Limit Exceeded
Auto-
Reset
+/- 5 °
Back and forth
oscillation at
start-up
Fan precessing on
mount
Fan vibrating
Verify the fan mount
is secure and all
bolts are tightened
appropriately
Verify all blades
are serviceable and
properly installed
1016
Vibration Limit
Exceeded
Auto-
Reset
Verify the fan mount
is secure and all
bolts are tightened
appropriately
Verify all blades
are servicable and
properly installed
Verify no blade roots
are rubbing on the
heatsink
IGNORE for FW 7993,
SFTC-2411-01 v1.0
Troubleshooting
