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 -10oC or lower.

 

 

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.

Over-heat

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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Sanyo MPR-411FR instruction manual Alarm and safety functions

MPR-411FR, MPR-411F specifications

The Sanyo MPR-411F and MPR-411FR are cutting-edge high-performance air conditioning units designed to provide optimal cooling and energy efficiency for residential and commercial spaces. Sanyo, a well-known brand in the HVAC industry, has equipped these models with innovative technologies to ensure superior performance and user comfort.

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