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Rev. Date 040218
Troubleshooting
Code Name
Code
Type
Factory
Setting
Description Symptoms Troubleshooting Tips
1018 Fire Disconnect
Auto-
Reset
Fan Stops
Fan Will Not
Start
1. Conrm whether touchpad was
unplugged or not
2. A 1018 is most commonly seen if the
touchpad is unplugged. In this case,
pressing the reset button should clear
the code and allow the fan to operate
normally.
3. Conrm that orange pair is twisted
together inside the screen enclosure
4. Conrm that the orange pair is being
ran throughout the whole CAT5 line
5. Plug touchpad directly into the fan to
see if the fault will clear
1019
Overspeed Fault
(Blades Too
Short)
Auto-
Reset
-
Fan “Twitching”
Fan Will Not
Start
Fan Stops
Fan Faults Only
At High Speed
Fan Runs
Irregularly
1. Ensure that blade length is properly
set
2. Ensure that blades are installed
3. Perform a drive calibration
4. Conrm incoming power is within
fan’s specications
5. Conrm motor values, perform motor
calibration if possible/necessary
6. Perform ne tuning
1020
Underspeed
Fault (Blades
Too Long)
Auto-
Reset
-
Fan “Twitching”
Fan Will Not
Start
Fan Stops
Fan Faults Only
At High Speed
Fan Runs
Irregularly
1. Ensure that blade length is properly
set
2. Ensure that blades are installed
3. Perform a drive calibration
4. Conrm incoming power is within
fan’s specications
5. Conrm motor values, perform motor
calibration if possible/necessary
1021
Communication
Buffer Full
Warning
Warning
Communication
Issues
1. Conrm that CAT5 is under 100ft
2. Conrm that CAT5 is from factory and
has not been modied
3. Conrm that CAT5 is shielded
4. Conrm that repeaters are properly
installed on the network
5. Double check network splices
6. Plug touchpad directly into board
7. Conrm Baud rate
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