Toshiba HWS-1402XWHT6-E, HWS-802XWHT6-E, HWS-802H-E Outline of the determination diagram

9-3. Outline of the determination diagram

The first determination of whether a defective part is in the hydro unit or the outdoor unit can be performed by the following method.

9-3-1. Procedure of defect diagnosis

In the case of a defect, please apply the following procedure in order to find the defective part.

Confirm the check

Defect code on the remote control display

Check code		Yes
			Defect in Hydro unit
A01-A12
	No
Check	code	Yes	Abnormality in the
L07-	L16		communication or setting
			system
	No
Check	code	Yes	Abnormality in the water
			heat exchange or outdoor
FXX
			unit sensor system
	No

Abnormality in the outdoor unit or hot-water tank unit

9-3-2. How to determine from the check code on the remote control

If the defect is limited by the check code displayed on the remote control, please repair the defect based on the table on the next page.

The check codes are separated into two groups: software and hardware errors.

Since a hardware error cannot be cancelled without a part replacement etc., please perform a repair.

If its abnormality is determined, the abnormality is noticed by indicating the check code on the remote control check code display part while letting off a buzzer.

Check code display part

9-3-3. How to cancel a check code on the remote controller

(1)Press ZONE1,2 or HOT WATER button (on the operation side) to clear the check code.

(2)Press CL to stop a buzzer for an abnormality only.

Although the above procedure cancels the check code, the hardware error will be displayed again until the hardware repair is completed.

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