Mitsubishi Electronics PUZ-A42NHA2-BS, PUZ-A30NHA2 From the previous, Fresh Master, Lossnay, Nay

From the previous page.

Error Code	Abnormal point and detection method	Case	Judgment and action
	4. If displayed address or attribute is	1 During group operation with	Same as mentioned in “A7” of the previous
	remote controller,	indoor unit of multi- refrigerant	page.
	Indoor unit detects abnormality when	system, if indoor unit transmit
	indoor unit transmitted to remote con-	to remote controller while out-
	troller and there was no reply (ACK).	door unit power supply of one
		refrigerant system is turned off
		or within 2 minutes of restart,
		abnormality is detected.
		2 Contact failure of transmission
		wire of remote controller or
		indoor unit
		3 Disconnection of transmission
		connector (CN2M) of indoor
		unit
		4 Defective transmitting receiv-
		ing circuit of indoor unit or
		remote controller
	5. If displayed address or attribute is	1 During sequential operation of
	FRESH MASTER,	indoor unit and FRESH MAS-
	Indoor unit detects abnormality when	TER of other refrigerant sys-
	indoor unit transmitted to FRESH MAS-	tem, if indoor unit transmits to
	TER and there was no reply (ACK).	FRESH MASTER while out-
		door unit power supply of
		same refrigerant system with
		FRESH MASTER is turned off
		or within 2 minutes of restart,
		abnormality is detected.
		2 Contact failure of transmission
		wire of indoor unit or FRESH
		MASTER
		3 Disconnection of transmission
		connector (CN2M) of indoor
		unit or FRESH MASTER
		4 Defective transmitting receiv-
		ing circuit of indoor unit or
A7		FRESH MASTER
(6607)
	6. If displayed address or attribute is	1 If the power supply of LOSS-
	LOSSNAY,	NAY is turned off, indoor unit
	Indoor unit detects abnormality when	detects abnormality when it
	indoor unit transmitted to LOSSNAY and	transmits to LOSSNAY.
	there was no reply (ACK).	2 During sequential operation of
		indoor unit and LOSSNAY of
		other refrigerant system, if
		indoor unit transmits to LOSS-
		NAY while outdoor unit power
		supply of same refrigerant sys-
		tem with LOSSNAY is turned
		off or within 2 minutes of
		restart, abnormality is detect-
		ed.
		3 Contact failure of transmission
		wire of indoor unit of LOSS-
		NAY
		4 Disconnection of transmission
		connector (CN2M) of indoor
		unit
		5 Defective transmitting receiv-
		ing circuit of indoor unit or
		LOSSNAY
	7. If displayed address or attribute is	1 The unit of former address
	nonexistent,	does not exist as address
		switch has changed while the
		unit was energized.
		2 Abnormality is detected when
		indoor unit transmitted
		because the address of
		FRESH MASTER and LOSS-
		NAY are changed after
		sequential operation of
		FRESH MASTER and LOSS-
		NAY by remote controller.

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