Greenheck DC Installation, Operation And Maintenance Manual page 25

Problem: One or more fans not operating after fire suppression system testing.
1 Has fire alarm been cleared and reset in the building?
2 Have all fault codes been acknowledged and reset on fan
control?
3 Were fans installed using PAM-1 electromechanical
relays or other electromechanical relays approved by fan
manufacturer?
4 Disconnect fire alarm relay wiring and install jumper
wire between ground and enable terminals on the euro
connectors of all fans (refer to page 13). Turn fans on using
control. Do fans operate as expected?
5 Remove jumper wire from ground and enable terminals on
the euro connectors of all fans (refer to page 13). Turn fans
on using control. Do fans operate as expected?
Everything is working properly.
Problem: One or more fans operated normally for a period of time, but have stopped running.
1 Have all fault codes been acknowledged and reset on fan
control?
2 Is supply power turned on at all circuit breakers and fan
disconnects?
3 Are there visible signs of damage on supply power wiring
or VFD circuit boards (black marks, damaged components,
etc.)?
4 Do fans operate as expected?
Everything is working properly.
®
Yes No Fans are shutdown due to fire alarm. Clear fire alarm and
reset fire suppression system. Fans will not operate during
 
fire alarm as required by NFPA 13.
Yes No One or more fans may have experienced a fault. Refer
to list of fault codes on page 26 for detailed descriptions.
 
Acknowledge and reset all faults, then cycle power to
fans. Fans will not operate when Op Status code 5 or "Fire
Relay" alarms are active. Refer to instructions in the control
manual for accessing Op Status code.
Yes No Fire alarm relays may be defective, incorrectly wired, or
do not meet required specifications. Replace fire alarm
 
relays with PAM-1 or other approved electromechanical
relays. Solid state relays cannot be used.
Yes No Contact factory.
 
Yes No Fire alarm relays and/or fire alarm relay wiring are
defective. Replace defective components.
 
One or more fans may have experienced a fault. Refer
Yes No
to list of fault codes on page 26 for detailed descriptions.
 
Acknowledge and reset all faults, then cycle power to fans.
Fans will only operate when Op Status code is equal to 0.
Refer to instructions in the control manual for accessing Op
Status code.
Yes No No supply power to fans. Turn circuit breakers and
disconnects to "on" position.
 
Yes No Damaged or defective VFDs. Contact factory.
 
Yes No Contact factory.
 
Overhead Ceiling Fans 25