BIG ASS FANS Isis Installation Manual page 42

WARNING—TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
WARNING: When servicing or replacement of a component in the fan requires the removal or disconnection of a safety
device, the safety device is to be reinstalled or remounted as previously installed.
power supply before servicing.
WARNING: Use this unit only in the manner intended by the manufacturer. If you have questions, contact the
manufacturer.
WARNING: Before servicing or cleaning unit, switch power off at the service panel and lock the service disconnecting
means to prevent power from being switched on accidentally. When the service disconnecting means cannot be locked,
securely fasten a prominent warning device, such as a tag, to the service panel.
General troubleshooting
Some issues can be resolved before requesting service. Review the below troubleshooting tips before contacting Customer Service for
support.
Symptom
A popping noise is coming from the fan.
Airfoil noise is a result of airfoils that are
The fan will not start.
Note: Some motor, gearbox, or drive noise is to be expected and is normal.
Electrical troubleshooting (indoor fans)
CAUTION: When adjusting the fan direction switch, be careful not to damage the internal components!
LED Off:
Note: For information on changing the fan direction, see p. 28.
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Isis
Troubleshooting
Possible solution(s)
Switch off power at the service panel and lock the service disconnecting means. (If
it cannot be locked, fasten a prominent warning device.) Tighten the airfoil hardware
to 29 ft·lb (39.3 N·m). If popping still occurs, verify that the airfoils are not contacting
each other. If the airfoils are contacting each other, please contact Customer Service at
1-877-BIG-FANS.
All wires are securely connected.
The wall controller has power.
Supply power is adequate and functional.
If the fan still does not start, contact Customer Service at 1-877-BIG-FANS.
OK:
Commutation / Motor Stall
Fan Direction
Selector Switch
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