Panasonic S36MT2E5A: Troubleshooting

9

E

NGLISH

Symptom

Cause / Action

Noise

Sound like streaming water is heard 

during operation or after operation.

• Sound of refrigerant liquid flowing inside unit

• 

Sound of drainage water through drain pipe

Cracking noise is heard during operation 

or when operation stops.

Sound due to temperature changes of parts

Discharged air smells during operation.

• 

Indoor odor components, cigarette odor and cosmetic odor 

accumulated in the air conditioner and its air is discharged.

• 

The unit inside is dirty. 

(Contact your dealer.)

Dewdrops accumulate near the air outlet 

during cooling operation.

• 

Internal moisture is cooled by cool wind and accumulates as 

dewdrops.

Fog occurs during cooling operation.

• 

If the air conditioner has been installed at places such as 

restaurants where large amounts of oil mist exist, cleaning is 

necessary because the unit inside (heat exchanger) is dirty. 

(Contact your dealer.)

Fog occurs during heating operation.

• 

Defrost operation is in process.

The fan is rotating for a while even though 

operation stops.

• 

Fan rotation makes operation smooth.

• 

The fan may rotate to dry the heat exchanger depending on 

the setting.

Airflow 

direction

Airflow direction changes while operating.

Airflow direction cannot be set.

Airflow direction cannot be changed.

• 

When air discharge temperature is low during heating 

operation, or during defrost operation, horizontal wind flow is 

made automatically.

• The flap position may be set individually.

(U1 type)

The flap moves several times after the 

direction is changed.

• The flap moves to the standard position once, and then turns 

to the set airflow direction.

Dust is discharged.

• 

Dust accumulated inside the indoor unit is discharged.

At the initial high-speed operation, the fan 

sometimes rotates faster than the setting 

speed.

(3 to 30 minutes)

• This is for operation check in order to confirm whether the fan 

motor rotation is within the range of use.

No operation

(When the power is turned on immediately /  

When operation is stopped and resumed 

immediately)

• Operation is not activated for the first approx. 3 minutes 

because the compressor protection circuit is activated.

Noise occurs during heating operation.

• 

Defrost operation is in process.

Steam comes out during heating operation.

The fan continues to rotate even after the 

operation is stopped using the remote 

controller.

• 

This is for smooth operation.

Troubleshooting

Check before consulting or requesting services.

Indoor unit

Outdoor unit

OI_F569617_EU_L.indb   9

2013-12-17   17:57:44