© 2015 MacroAir Technologies Toll Free: 866 668 3247 Fax: 909 890 2313 www.macroairfans.com 51
Rev. Date 090415
Code
Name
Code Type Factory
Setting Description
Symptoms
Troubleshooting Tips
1017
Keep-Alive Timeout
Auto-
Reset
10s
Fan stops
Verify building
automation settings
Check time setting on
the controller
Intermittant wiring
MODBUS transaction
on analog control for
FW 8599, SFTC-2411-
01 v1.1 and earlier
1018
Fire Disconnect
Auto-
Reset
Fan stops
Fan does not start
Verify the fire
disconnect is not
asserted
Verify the wiring is
open or short as
required
Verify the correct
value is loaded into
the fire disconnect
register
Firmware update with
no setting (blank NVM
location)
1019
Overspeed Fault
(Blades Too Short)
Auto-
Reset
-
Fan stops at “high
speed”
Fan does not start
Start-up issues
Verify the correct
blades are installed
Verify the correct
number of blades are
installed
Verify the correct
bade setting is
selected
Verify the minimum
acceptable clearance
is maintained
between the fan
blades and the
structure
Verify motor
parameters
1020
Underspeed Fault
(Blades Too Long)
Auto-
Reset
-
Fan runs slowly
Verify the correct
blades are installed
Verify the correct
number of blades are
installed
Verify the correct
blade setting is
selected
1021
Communication
Buffer Full Warning
Warning
MODBUS
unreliable
Verify MODBUS baud
rate
Verify MODBUS wiring
Noise on the comms
line
1022
Accelerometer Read
Fault
Auto-
Reset
Fan will not run
Power cycle the
controller
1023
Troubleshooting
Содержание AirVolution 550
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