OPERATING INSTRUCTIONS
Alarm and safety functions
This unit has the alarm and safety functions shown in Table 3, and also a self diagnostic function.
Kind of alarm | Situation | Indication | Buzzer | Safety operation |
or safety |
|
|
|
|
High | ・Refrigerator | Alarm lamp flashes. | Intermittent tone | Remote alarm is |
temperature | If the chamber temperature | All digits on the temperature | after a delay of 15 | activated after a |
alarm | deviates from the set | display flash. | minutes. | delay of 15 |
| temperature +5oC or more. |
|
| minutes. |
| ・Freezer |
|
|
|
| If the chamber temperature |
|
|
|
| deviates from the set |
|
|
|
| temperature +10oC or more. |
|
|
|
Low | ・Refrigerator |
| Intermittent tone | Remote alarm is |
temperature | If the chamber temperature |
|
| activated. |
alarm | drops to 0oC or lower. |
|
|
|
| ・Freezer |
| Intermittent tone | Remote alarm is |
| If the chamber temperature |
| after a delay of 15 | activated after a |
| deviates from the set |
| minutes. | delay of 15 |
| temperature |
|
| minutes. |
Power failure | In the event of a power | Remote alarm is | ||
alarm | failure or disconnection of |
|
| activated. |
| power supply plug from the |
|
|
|
| outlet |
|
|
|
Door alarm | When the door is opened | Door check lamp is lit. | Intermittent tone | |
|
|
| after a delay of 2 |
|
|
|
| minutes. |
|
Auto return | If a key operation is not | Chamber temperature is | Setting mode is | |
| performed for about 90 | displayed. |
| canceled. |
| seconds in each setting |
|
|
|
| mode. |
|
|
|
Key lock | When the key lock is ON | Key input is | ||
| (L1). |
|
| disabled. |
Thermal | If the thermal sensor of | Alarm lamp flashes. | Intermittent tone | Remote alarm is |
sensor | refrigerator goes open or | E1 and chamber temperature |
| activated. |
abnormality | short circuit. | are displayed alternately on the |
| Operation by the |
|
| temperature display. |
| defrost sensor. |
| If the freezer sensor of | Alarm lamp flashes. |
| Remote alarm is |
| refrigerator goes open or | E2 and chamber temperature |
| activated. |
| short circuit. | are displayed alternately on the |
| Freezer will run |
|
| temperature display. |
| continuously . |
| If the defrost sensor goes | Alarm lamp flashes. |
| Remote alarm is |
| open or short circuit. | E3 and chamber temperature |
| activated. |
|
| are displayed alternately on the |
| Continuous |
|
| temperature display. |
| running. |
・Refrigerator | Heater and fan | |||
protector | If the chamber temperature |
|
| motor OFF. |
| Is higher than 28oC. |
|
|
|
Note: The remote alarm can be canceled by pressing the alarm buzzer stop key (BZ) as it is activated in conjunction with the buzzer (except power failure alarm).
When more than two alarm condition occur simultaneously, the lowest 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.
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