Toshiba MMU-AP0091H Troubleshooting by Check Display on Remote Controller, Confirmation and check

9-3. Troubleshooting by Check Display on Remote Controller

In case of wired remote controller (RBC-AMT31E)

1. Confirmation and check

When a trouble occurs in the air conditioner, the check code and the indoor unit No. are displayed on the of the remote controller.

The check code is displayed while the air condi- tioner operates.

If the display has disappeared, operate the air

conditioner and check the error based upon theCheck code following “Confirmation of error history”.

CODE No.

UNIT No.

R.C. No.

Indoor unit No. in which an error occurred

2. Confirmation of error history

If a trouble occurs in the air conditioner, the error history can be found with the following procedure. (Up to 4 error histories are stored in the memory.)

This history can be confirmed from either operat- ing status or stop status.

2

3

TEMP.		ON / OFF
TIMER SET	FAN	MODE
TIME	SWING/FIX	VENT
FILTER
RESET TEST SET CL	UNIT

1

Procedure			Description
	When pushing SET and TEST buttons simultaneously for 4 seconds or more, the below display appears.
	If [Service Check] is displayed, the mode enters the error history mode.
1	• [01: Error history order] is displayed in code number window.				CODE No.
	• [Check Code] is displayed in code number window.			UNIT No.
	• [Indoor unit address with error] is displayed in UNIT No.			R.C. No.
	Each successive push of the temp. set	/	buttons, the error histories stored in the memory are
	displayed in order.
2	The numbers in item code indicates item code [01] (most recent) to [04] (Oldest).
	CAUTION

If [CL] button is pushed all of the error histories of the indoor unit will be deleted.

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

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