Toshiba HWS-3001CSHM3-E(-UK), HWS-802XWHT6-E, HWS-802H-E, HWS-802XWHM3-E, HWS-1402H-E Check code

Check code	Outdoor LED						Check and Action procedure
	indication				(No specific description indicates outdoor unit parts.)
[H02]	<Indication 1> <Indication 2>	[Compressor lock]
				Power voltage is normal.					No
											Improve power line
				230ACV ± 23V		Yes
				Wiring connection		is normal.		No
											Check and correct
				Compressor lead		(board side,
											wiring connection
				compressor side)		reactor, power lead
		No
							Compressor is normal.
					Yes
					Refrigerant stays inside.					No	Lock compressor and
											replace it.
							Yes
					Pulse motor valve operates					No	TE, TS sensor pulse
											motor valve check
					normally.
											If defective, replace
							Yes
					Check outdoor board
					If defective, replace it
[H04]	<Indication 1> <Indication 2>	[Case thermostat operation]
				CN609 connector and case				No			Correct connector
				thermostat is normal.							Replace case thermostat
						Yes
				If case thermostat		is short circuited,		No			Check outdoor board
				cooling and heating		can operate.					If defective, replace it
						Yes
				No gas leakage.				No			Correct defective portion
				Enough Refrigerant.							Re-charge refrigerant
						Yes
				Service valve is fully opened.				No			Open fully service valve
						Yes
				Pulse motor valve is normal.				No			Correct defective portion
											Replace defective parts
						Yes
			Check for piping collapse and break.
					If defective, repair or replace it.
[L10]	<Indication 1> <Indication 2>	[Model not set] Only when service board is used

Cut jumper line by following the instruction comes with the service board package

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