Toshiba RAV-SM304SDT-TR Service Manual page 107

Check Outdoor
code LED display
[P03] <Display 1> <Display 2>
[P04]
<Display 1> <Display 2>
<Display 1> <Display 2>
<Display 1> <Display 2>
[P05] <Display 1> <Display 2>
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Discharge temp. error]
Is there gas leak?
Is there refrigerant shortage?
NO
Is PMV under correct conditions?
YES
Does an abnormal overload happen?
NO
Is connection of CN603 correct?
Is resistance value of TD sensor correct?
YES
Check outdoor P.C. board.
Defect → Replace
∗ There is a possibility that it is one of the following errors.
Confirm LED on outdoor P.C. board to judge which error it is.
Power supply error (Vdc), High pressure protective operation, Case thermostat
operation
[Case thermostat operation] → Refer to [H04] column.
[Power supply error] → Refer to [P05] column.
[High pressure protective operation] → Refer to [P20] column.
[Power supply error]
Is AC mains voltage correct?
198 to 264V
YES
Check outdoor P.C. board.
Defect → Replace
– 107 –
YES
Repair defective position.
Recharge refrigerant.
NO
Repair defective position.
Replace defective part.
YES
Remove and improve
the cause of overload.
NO
Correct connector.
Sensor error → Replace
NO
Confirm power supply
construction, etc.
<In case of SP80>