HAT553V ATS Controller User Manual Page 12 of 32
When controller detects warning alarm, warning alarm becomes active, alarm indicator will slow flashes
(1 time per second), and when alarm disappears, alarm indicator will extinguish. Warning alarm isn't
latched.
Table 12 Warning Alarm
No.
Item
Description
1
Forced to Open
Forced to open (Non fire cutoff input) action is set to Warning; when it
is active, the warning alarms.
When controller detects fault alarm, fault alarm becomes active, alarm indicator will quick flash (5
times per second). Fault alarm is latched, and it disappears until user resets it manually.
Table 13 Fault Alarm
No.
Item
Description
1
A Failed to Close
Switch didn't close properly after A power close signal is stopped to
output.
2
A Failed to Open
Switch didn't succeed to close properly after A power open signal is
stopped to output.
3
B Failed to Close
Switch didn't close properly after B power close signal is stopped to
output.
4
B Failed to Open
Switch didn't succeed to close properly after B power open signal is
stopped to output.
5
Forced Open Fault
Forced Open Fault (Non fire cutoff input) action is set to Fault; when
it is active, Forced Open Fault alarms.
6
Switch Trip Alarm
Switch trip alarm input is active.
7
Simult. Dual Close
Side switches of A/B power are in closed status.
When reminder information is active, it displays for 2s and then it disappears.
Table 14 Reminder Information
No.
Item
Description
1
Press Reset Alarm
The reminder for manual transfer to auto mode before alarm clear as
fault alarm occurs.
2
A Already Close
Set it to one breaking or two breakings; reminder information for
pressing A power close key as A power is closed.
3
B Already Close
Set it to one breaking or two breakings; reminder information for
pressing B power close key as B power is closed.
4
Already Open
Reminder information for pressing open key as load is disconnected.
