Setting Of Alarm Resume Time; Alarms & Safety Functions - Panasonic MDF-594C Operating Instructions Manual

SETTING OF ALARM RESUME TIME

The alarm buzzer is silenced by pressing alarm buzzer stop key (BUZZER) on the control panel during
alarm condition (The remote alarm is not stopped).
The buzzer will be activated again after certain suspension if the alarm condition is continued. The
suspension time can be set by following the procedure shown in the table 3 below.
The example in the table is based on the assumption that the desired duration is 20 minutes.
Note: The duration is set in 30 minutes (Initial setting 130) at the factory.
Table 3. Setting procedure (change from 30 minutes to 20 minutes)
Description of operation
1
Press the numerical value shift key
2
for about 5 seconds.
Set to F25 with the digit shift key
3
and numerical value shift key.
4 Press enter key.
Set to 120 with the digit shift key
5
and numerical value shift key.
6 Press enter key.
• The settable alarm resume time is between 10 and 60 minutes with 1 minute increment. (The setting is
110, 111, ------- 159, 160). The buzzer would not resume if the resume time is set in 100.
• The buzzer is ON when the resume time is changed in F25 while the resume time is counted (the
buzzer is silenced by alarm buzzer stop key (BUZZER)). The count of resume time is stopped.
• The setting cannot be changed during power failure.
• The alarm resume time set mode returns to the temperature display mode automatically when 90
seconds has passed without any key operation.
• It is selectable whether the buzzer is in conjunction with the remote alarm or not when the buzzer is
silenced by alarm buzzer stop key (BUZZER). (The remote alarm is not in conjunction with the buzzer
by factory setting.)
• The remote alarm is activated in conjunction with the buzzer if the third digit "1" is set to "0" in the step 5
above.
ALARMS & SAFETY FUNCTIONS
This unit has the alarm and safety functions shown in table below, and also self diagnostic function.
Table 4. Alarm and safety function
Alarm & safety
High temperature
alarm
Power failure
alarm
Key operated
Situation
When the chamber temp. is
o o
approx. 10 C (or 15 C) higher
than the set temp.
At power failure When
power cord is disconnected.
Indication after operation
The current chamber temperature is
-----
displayed.
The first digit is flashed.
The settable digit is shifted.
When pressed, the figure of settable
digit changes.
The current setting is displayed
ENT
and the first digit is flashed.
The settable digit is shifted.
When pressed, the figure of settable
digit changes.
Alarm resume time is memorized
ENT and the current chamber
temperature is displayed.
Indication
Alarm lamp flashed.
Alarm lamp flashed.
16
Buzzer Safety operation
Intermittent
Remote alarm
tone with
with 12 min.
12
min.
delay.
delay.
Intermittent
Remote alarm.
Tone.