Toshiba RAV-SP564ATZG-E service manual ventilation around the heat sink?, Open service valve fully

Models: RAV-SM564SDT-E RAV-SM454SDT-E RAV-SP404ATZ-E RAV-SP404ATZG-E RAV-SP404AT-E RAV-SP454ATZ-E RAV-SP454ATZG-E RAV-SP564AT-E RAV-SP454AT-E RAV-SP564ATZG-E RAV-SP564ATZ-E RAV-SP804AT-E RAV-SP804ATZ-E RAV-SP804ATZG-E

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Page 102
Image 102

 

 

<In case of SP80>

Check

Outdoor

Check and troubleshooting

code

LED display

(Item without special mention Indicates part of outdoor unit.)

 

 

 

[P07]

<Display 1> <Display 2>

[Heat sink overheat error]

¡¥

¡

¥

Are the power devices on

 

¡

¥

 

P.C. board screwed without looseness?

NO

l

l

(Rear sides of Q201, Q300, Q650, DB01, DB02)

 

 

¡

l

Are radiation grease properly applied?

 

(Q201, Q650, DB01, DB02)

 

¡

¡

 

 

 

 

 

YES

 

 

 

 

 

Apply radiation grease to objective parts.

Retightening of screws.

(Be sure not to forget to attach insulating sheet

between heat sink and Q300.)

 

Does something block the

YES

 

 

Remove blocking matter.

 

ventilation around the heat sink?

 

 

 

 

 

 

 

 

Does something block air flow

 

 

 

Correct short-circuit.

 

 

from the fan?

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

Defect Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[P15] <Display 1> <Display 2> [Gas leak detection]

¡¥

¡

¥

Is there gas leak?

YES

Repair defective part.

 

 

 

¡

¥

Is there refrigerant shortage?

 

Recharge refrigerant.

l

¥

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

¡

l

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

¡

¡

Is PMV under correct conditions?

NO

 

Correct defective part.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace defective part.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is service valve fully opened?

 

Open service valve fully.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there crushed pipe?

 

 

Correct and replace piping.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check temp. sensor.

Error

 

 

 

 

 

 

 

Correct connector.

 

 

 

 

TD sensor CN603

 

 

 

 

 

 

 

 

Sensor error Replace

 

 

 

 

TS sensor CN600

 

 

 

 

 

 

 

 

 

 

 

 

 

OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

 

Defect Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 102 –

Page 102
Image 102
Toshiba RAV-SP564ATZG-E, RAV-SP804ATZG-E, RAV-SP804ATZ-E ventilation around the heat sink?, Open service valve fully