172-65605M-14 (SQ2/SQ4/SQ6) 10 Dec 2019
19
Alarm Log Screen
No.
Function
Description
1
Alarm Time
Displays the date and time (yy/mm/dd hh:mm) of an alarm.
・
The displayed time is derived from the clock on the display.
2
Alarm Details
Displays alarm details.
・
Low Temp Alarm
：
Triggered when the water temperature is below
the alarm trigger temperature (defined as: set temperature – lower
limit) for a certain period of time, and is displayed in blue text. It is
also displayed on the main screen (A) (blue) when triggered.
・
High Temp Alarm
：
Triggered when the water temperature exceeds
the alarm trigger temperature (defined as: set tempe upper
limit) for a certain period of time, and is displayed in red text. It is
also displayed on the main screen (B) (red) when triggered.
・
Abnormal System Alarm 1: Triggered when any of the following
occur: an abnormality in the analog input/output circuit inside the
sequencer, an abnormality in the temperature sensor, or if any
wires are disconnected. Displayed in amber text. It is also
displayed on the main screen (C) (amber) when triggered.
・
Abnormal System Alarm 2: Triggered when there is no change in
the temperature sensor measured value for a certain period of
time during steam heating, and is displayed in amber text. It is
also displayed on the main screen (C) (amber) when triggered.
・
E-Stop Alarm
：
Triggered and displayed with the orange texts
when the emergency stop switch actuates. It is also displayed
on the main screen (D) (amber) when triggered.
3
Alarm Recovery
Time
Displays the alarm recovery time (hh:mm).
・
The time is displayed when the unit recovers from an alarm
status. (If after recovery the unit returns to an alarm status, it
will be displayed as a separate alarm.)
・
If an alarm is displayed without a recovery time, then the alarm
is active.
・
The displayed time is derived from the clock on the display.
4
Select Button
Enters the alarm log edit mode.
・
Executable actions in the edit mode: deleting alarm log
records, displaying alarm log records that are not shown due
to the display limit for the screen (14 records).
5
Deselect Button
Exits the alarm log edit mode.
6
/
(Up/Down)
Button
Scrolls up/down the alarm log display.
・
When 14 or fewer alarm logs are displayed, the cursor will only
move inside the white area of the screen.
7
CLEAR Button
Deletes all alarm log records.
・
Only recovered alarms will be deleted. (Active alarms will not
be deleted.)
8
(Back) Button
Returns to the main screen.
9
(Data Log
Function) Button
Displays the data log function screen.
・
Trend data such as water temperature can be confirmed/recorded.
A
8
4
B
C
5
6
2
1
2
9
7
D
