To regain system normal operation:
1. Release the emergency stop button.
2. Turn ON the AC power.
3. Do one of the following:
If you set the
Clear Alarm Mode
in the firefighter gateway to
Automatic
(refer to
Connecting and Configuring an Emergency Stop Button to the Gateway on page
51), check the firefighter gateway main status screen displays the status
PV Normal
Operation
.
If you set the
Clear Alarm Mode
in the firefighter gateway to Manual, do the
following:
Enter Setup mode, as described in
Select
Fire Safety
è
Clear Alarm
è
Yes
. the following is displayed:
C l e a r i n g A l a r m . . .
If the alarm was cleared, the following is displayed:
A l a r m C l r e a r e d
If
Failed
is displayed, check that you have unlocked the emergency stop button.
4. On the firefighter gateway LCD, check the main status screen. A message similar to
the following should appear:
P V N o r m a l O p e r a t i o n
0 0 3 / 0 0 3 D e v . O N
0 0 0 / 0 0 0 D e v . S a f e
M a x . V D C : 1 6 4 V
5. If there is no communication between slave inverters and the master gateway, clear
the alarm from the inverter, as follows:
a. Enter Setup mode in the inverter LCD menu.
b. Select
Maintenance
è
Clear Alarm
.
Firefighter Gateway Installation Guide MAN-01-00113-1.4
41
Chapter 5: Emergency System Shutdown