Toshiba R410A Troubleshooting, Confirmation and check, Confirmation of error history

10 TROUBLESHOOTING

Confirmation and check

When a trouble occurred in the air conditioner, the check code and the indoor unit No. appear on the display part of the remote controller.

The check code is only displayed during the operation.

If the display disappears, operate the air conditioner according to the following “Confirmation of error history” for confirmation.

	CODE No.
	UNIT No.
	R.C. No.
Check code	Indoor unit No. in which
	an error occurred

Confirmation of error history

When a trouble occurred on the air conditioner, the trouble history can be confirmed with the following procedure. (The trouble history is stored in memory up to 4 troubles.)

The history can be confirmed from both operating	3
status and stop status.

UNIT

SET CL

1

2

Procedure

Description

1

When pushing [SET] and buttons at the same time for 4 seconds or more, the following display appears.

If [Service check] is displayed, the mode enters in the trouble history mode.

•[01 : Order of trouble history] is displayed in CODE No. window.

•[Check code] is displayed in CHECK window.

•[Indoor unit address in which an error occurred] is displayed in UNIT No.

UNIT No.

R.C. No.

CODE No.

2

3

Every pushing of [ , ] button used to set temperature, the trouble history stored in memory is displayed in order.

The numbers in CODE No. indicate CODE No. [01] (latest) → [04] (oldest).

REQUIREMENT

Do not push CL button because all the trouble history of the indoor unit will be deleted.

After confirmation, push button to return to the usual display.

1.Check the troubles according to the above procedure.

2.Ask an authorized dealer or qualified service (maintenance) professional to repair or maintain the air conditioner.

3.More details of the service code are explained in Service Manual.

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