Toshiba RAV-SM564UT-E Service Manual page 138

Check code
[P03] [Discharge temp. error]
Is refrigerant charge amount adequate?
Is resistance value of TD sensor normal?
[P05] [Power supply error (Voltage error)]
Is there no down or up of power supply voltage?
[P19] [4-way valve inverse error]
Is operation of 4-way valve normal?
(Check pipe temp., etc. in cooling/heating operation.)
Is the coil resistance value of 4-way valve
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Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
Is there no gas leak?
YES
Is PMV normal?
YES
Is it not abnormal overload?
NO
Is CN601 connection normal?
YES
(AC198 to 264V)
NO
NO
between 1.3 and 1.6kΩ?
YES
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<In case of SP40, SP45>
NO
Repair defective position.
Recharge refrigerant.
NO
Repair defective position.
Replace defective part.
YES
Correct and clear the cause.
NO
Correct connector.
Sensor error → Replace
Check outdoor P.C. board.
Defect → Replace
YES
Confirm electric
construction, etc.
Check outdoor P.C. board.
Defect → Replace
Temperature sensor check
TE sensor CN600
YES
TS sensor CN603
Indoor TC sensor
Defect → Correct and repair
NO
Replace coil of 4-way valve.
Check 4-way valve.
Defect → Replace
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