Control Panel - Panasonic MDF-U76V Operating Instructions Manual

FREEZER COMPONENTS

Control panel

BUZZER
1. Digital temperature indicator:
temperature.
2. Status monitor lamp (STATUS): This lamp lights when environmental condition or status gets worse
or the unit is out of normal operation.
3. Battery check lamp (BATTERY): This lamp lights to recommend the battery replacement. This
lamp blinks when a fan motor is replacement. For the replacement, consult our sales representative or
agent.
4. Door check lamp (DOOR): This lamp lights when the outer door is open.
5. Alarm lamp (ALARM): This lamp is flashed during alarm condition.
6. Filter check lamp (FILTER):
accumulated on the condenser filter. When this lamp lights, clean the condenser filter following the
procedure on page 22.
7. Numerical value shift key (
shift. "ON-OFF" of key lock can be selected by pressing this key in the key lock setting mode. By
pressing this key for more than 5 seconds in the temperature display mode leads setting mode for alarm
temperature, alarm resume time ,compressor delay time and door alarm delay time. Refer to page 15,
16,17,19 and 20 for details respectively.
8. Digit shift key (
lock setting is available by pressing this key for more than 5 seconds in the temperature display mode.
Refer to page 15 for details.
9. Set key (SET): Temperature setting mode is led by pressing this key and the changeable digit is
flashed. By pressing this key again, the setting is memorized.
temperature display mode automatically when 90 seconds has passed without any key operation.
10. Status key (STATUS): By pressing this key in the event of the status monitor lamp ON, the status
code is displayed on the digital temperature indicator. This key is not effective when the freezer is
running normally. See page 18 for details.
11. Alarm test key (ALARM TEST): To check the alarm system during freezer operation. Pressing
this key with the battery switch ON gets the alarm lamp to flash, the remote alarm to operate, and the
buzzer to sound.
12. Buzzer stop key (BUZZER): To silence the audible alarm under alarm condition, press this key.
The buzzer during alarm test cannot be silenced by this key. But the remote alarm is not canceled.
TEMPERATURE(
ALARM
STATUS
TEST
12 11 10
This indicator shows the present chamber temperature or set
This lamp lights and buzzer sound when the excessive dust is
): Pressing this key in the setting mode causes the numerical value to
): Pressing this key in the setting mode causes the changeable digit to shift. Key
1 2 3
o
C)
BATTERY
STATUS
SET
9 8
The setting mode returns to the
10
4 5 6
FILTER
ALARM
DOOR
7