Toshiba HWS-1402XWHT9-E F18 Error THO sensor failure, F19 Error THO sensor detach failure

[F18] Error THO sensor failure

Start

THO sensor	No
connector (CN206) is
connected
Yes

Correct THO sensor connection

THO sensor	No
		Replace THO sensor
characteristic is normal
	(See characteristic table on page 101)

Yes

Replace water heat exchange control board

[F19] Error THO sensor detach failure

Start

THO sensor	No	Attach THO sensor
is attached to pipe		to pipe
Yes
THO sensor	No
		Replace THO sensor
characteristic is normal
	(See characteristic table on page 101)
Yes
TWO sensor	No
		Replace TWO sensor
characteristic is normal
	(See characteristic table on page 101)
Yes
Replace water heat exchange control board

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