Toshiba RAV-SP454ATZG-E In case of SP40 to, Diagnostic Procedure for Each Check Code Outdoor Unit

<In case of SP40 to 56>

10-2-5. Diagnostic Procedure for Each Check Code (Outdoor Unit)

1)This section describes the diagnostic method for each check code displayed on the wired remote controller.

2)When “APPLICATION CONTROL KIT” (TCB-PCOS1E2) sold separately is connected, the error contents can be judged by LED on the APPLICATION CONTROL KIT. In this case, turn off both bit 1 and 2 of DIP switch 01 on the All-purpose control kit.

Check	APPLICATION CONTROL KIT		Check / Countermeasures
code	LED display	(Part without special mention indicates a part of the outdoor unit.)
[E04]	—	[Indoor / Outdoor communication error]
		Is setting of group address		NO
					Check item code [14].
		on the remote controller correct?
		YES
				NO
		Are inner wiring of the indoor unit			Correct wiring
		and inter-unit wires (1, 2, 3) correct?			and inter-unit wires.
		YES
				NO
		Is wiring of the			Correct wiring
		outdoor terminal block correct?			of terminal block.
		YES
				NO
		Is connection of			Correct connection
		case thermo (CN500) correct?			of connector.
		YES
		Does the case thermo operate?		YES	Check and correct charged
					refrigerant amount.
		Is the compressor abnormally heated?

NO

Check outdoor P.C. board.

Defect → Replace

[F04]	D01	D02	D03	D04	[Discharge temp. sensor (TD) error]
	(Red)	(Yellow) (Yellow) (Yellow)				NO
	¡	¡	l	l	Is connection of CN601 correct?		Correct connector.
					Is resistance value of TD sensor correct?		Sensor error →		Replace
					YES
							Check outdoor P.C. board.
							Defect →	Replace
[F06]		∗	There is a possibility that any of the following items is not correct.
			Checking LED on the APPLICATION CONTROL KIT enables you to judge what is incorrect.
	D01	D02	D03	D04	[Heat exchanger temp. sensor (TE) error]
	(Red)	(Yellow) (Yellow) (Yellow)				NO
	¡	l	l	l	Is connection of CN600 correct?
							Correct connector.
					Is resistance value of TE sensor correct?		Sensor error →		Replace

				YES
					Check outdoor P.C. board.
					Defect → Replace
D01	D02	D03	D04	[Suction temp. sensor (TS) error] → Refer to column of [F12].
(Red)	(Yellow) (Yellow) (Yellow)
l	l	¡	l

LED display legend: l Go off, ¡ Go on, ¥ Flash (5Hz)

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