Alarms And Safety Functions - Sanyo MPR-414F - Commercial Solutions Refrigerator Instruction Manual

ALARMS AND SAFETY FUNCTIONS

This unit has the alarm and safety functions shown in Table 5, and also a self diagnostic function.
Table 5 Alarms and safety functions
Kind of alarm
or safety
• Refrigerator
If the chamber temperature
High
exceeds the set temperature.
temperature
• Freezer
alarm
If the chamber temperature
exceeds the set temperature.
• Refrigerator
Over-heat
If the chamber temperature
protector
exceeds 28
• Refrigerator
If the chamber temperature
is lower than the set
Low temperature or drops to 0
temperature or lower.
alarm
• Freezer
If the chamber temperature
is lower than the set
temperature.
• Freezer
Over-cool
If the chamber temperature
protector
is equal or lower than 0
In the event of a power
Power failure failure or disconnection of
alarm power supply plug from the
outlet
Door alarm When the door is open.
If a key operation is not
performed for about 90
Auto return
seconds in each setting
mode.
When the key lock is ON
Key lock
(L1).
If the thermal sensor of
refrigerator goes open (E01)
or short circuit (E02).
If the freezer sensor of
Thermal sensor
refrigerator goes open (E03)
abnormality
or short circuit (E04).
If the defrost sensor goes
Open (E05) or short circuit
(E06).
Note:
The alarm can be canceled by pressing the alarm buzzer stop key (BUZZER), but the remote alarm cannot be
silenced.
When more than two alarm conditions occur simultaneously, the smaller number error code has priority on the
error display.
After a power failure, the unit will resume operation with the set value that was in place before power failure
occurred.
17
Situation
Alarm lamp flashes.
All digits on the temperature
display flash.
o
C.
o
C Alarm lamp flashes.
All digits on the temperature
display flash.
o
C.
Door check lamp is lit.
Chamber temperature is
displayed.
Alarm lamp flashes.
E01/02 and chamber temp.
are displayed alternately on the
temperature display.
Alarm lamp flashes.
E03/04 and chamber temp.
are displayed alternately on the
temperature display.
Alarm lamp flashes.
E05/06 and chamber temp.
are displayed alternately on the
temperature display.
Indication
Intermittent tone
after a delay of 15
minutes.
-----
Intermittent tone
after a delay of 15
minutes.
(No delay in the
case of 0
lower)
-----
-----
Intermittent tone
after a delay of 2
minutes.
-----
Intermittent tone
49
Buzzer Safety operation
Remote alarm is
activated after a
delay of 15 minutes.
Defrost heater and
----- fan motor for
circulation turn OFF.
Remote alarm is
activated after a
delay of 15 minutes.
(No delay in the
o o
C or case of 0 C or
lower)
Refrigerator comp.
----- turns OFF.
Reset at about 6
Remote alarm is
-----
activated.
-----
Setting mode is
-----
canceled.
----- Key input is unable.
Remote alarm is
activated.
Operation by the
defrost sensor.
Remote alarm is
activated.
Freezer will run
continuously .
Remote alarm is
activated.
Normal running.
o
C.