Toshiba RAV-SP564AT-E In case of SP80, broken pipe, abnormal overload, etc, Correct defect

		<In case of SP80>
Check	Outdoor	Check and troubleshooting
code	LED display	(Item without special mention Indicates part of outdoor unit.)
[P20]	<Display 1> <Display 2>	[High pressure protective operation]

¡l

¡	l
		Is service valve	NO
¡	¥			Open service valve fully.
		fully opened?

l

l

YES

¡

¥

¡

¡

Reset the power supply

and then perform test run

Cooling season

matching to the season.

Cooling operation

Heating season

NO

Is resistance value

Heating operation

of TL sensor correct?

YES

Replace TL sensor.

YES

Is there any defect such as

loosening of nut in the outdoor fan?

NO

Check outdoor fan.

Defect →

Replace, retightening

YES

Does the outdoor fan perform

abnormal operation?

NO

Check the same items as

[P22] error.

Is there anything

which interfere heat exchange

YES

of outdoor unit?

• Clogging of heat exchanger

• Short-circuit

NO

Eliminate interfering element.

Check overcharge of refrigerant, clogging of cycle,

broken pipe, abnormal overload, etc.

Defect →

Correct defect.

NO

NO

Does indoor fan

Are indoor fan motor

operate correctly?

an connector correct?

YES

YES

Repair defect.

Are resistance values

NO

Replace

of indoor TC and TCJ

sensor.

sensors normal?

YES

Check indoor P.C. board.

Is there anything which interfere

Defect →

Replace

heat exchange of indoor unit?

YES

•Choking up the filter

•Clogging of heat exchanger

• Short-circuit

NO Eliminate interfering element.

Check overcharge of refrigerant, clogging of cycle, broken pipe, abnormal overload, etc.

Defect → Correct defect.

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