Toshiba RAV-SM404SDT-E Service Manual page 99

Check Outdoor
code LED display
[H04] <Display 1> <Display 2>
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[L10] <Display 1> <Display 2>
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(Item without special mention Indicates part of outdoor unit.)
[Case thermostat operation]
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Are CN609 connection and
case thermostat correct?
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YES
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Short each pins of CN609.
Can compressor operate?
YES
Is there gas leak?
Is there refrigerant shortage?
NO
Is service valve fully opened?
YES
Is PMV under correct conditions?
YES
[Unset model type]: Only when service P .C. board is used
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Cut jumper line according
to the explanation sheet packaged
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with the service P.C. board.
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Check and troubleshooting
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YES
NO
NO
– 99 –
<In case of SP80>
Correct connector.
Case thermostat error → Replace
Check outdoor P.C. board.
Defect → Replace
Repair defectives position.
Recharge refrigerant.
Open service valve fully.
Correct defective position.
Replace defective part.
Check crushed or broken pipe.
Defect → Correct and Replace