Toshiba RAV-SP1404AT8Z-TR, RAV-SP1104AT8ZG-TR, RAV-SP1104AT8-TR, RAV-SP1404AT8ZG-TR service manual 73

Check	Outdoor				Check and troubleshooting
code	LED display			(Item without special mention Indicates part of outdoor unit.)
[H03]	<Display 1>	<Display 2> [Current detection circuit error]
	¡	¡
	¡	l
	l	l		Check outdoor P.C. board (MCC-1596).
	¡	l		Defect → Replace
	l	¥
	l	¥
	<Display 1>	<Display 2> [Power supply error (Vdc)] → Refer to [P05] column.
	¡	¡
	¡	l
	l	l
	¡	¥
	¡	l
	¡	¥
[H04]	<Display 1>	<Display 2>	[Case thermostat operation]
	¡	¡
	¡	l				NO
							Correct connector.
	l	l
				Are CN609 connection
	¡	¥		and case thermostat normal?			Case thermostat error → Replace
				YES
	l	l
	l	l				NO	Check outdoor P.C. board (MCC-1599).
			Is cooling/heating operation available
			when short-circuiting case thermostat?				Defect → Replace
				YES		NO
							Repair defectives position.
				Is there no gas leak?
				Is it not refrigerant shortage?			Recharge refrigerant.
				YES		NO
				Is valve fully opened?
							Open valve fully.
				YES		NO
				Is PMV normal?			Correct defective position.
							Replace defective part.
				YES
							Check crushed or broken pipe.
							Defect → Correct and Replace

[L10] <Display 1>	<Display 2> [Unset model type] : Only when service P.C. board is used
¡	¡
¡	l
l	¥	Cut jumper line according
¡	l	to the explanation sheet packaged
		with the service P.C. board.
¡	¥
l	l

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