Mitsubishi Electronics PUZ-A42NHA2 Discharge superheat on error occurring ~327 0~182degC SHd

SW2 setting Display detail Explanation for display Unit

						Discharge superheat on error occurring	0~327 (0~182degC)
						SHd	(When the temperature is 100degF or more,
						0~327	hundreds digit, tens digit and ones digit are
ON							displayed by turns.)			degF
						Cooling = TH4-TH6	(Example) When 150degF;
1	2	3	4	5	6	Heating = TH4-TH5	0.5 secs.	0.5secs.	2 secs.
							1	50
						Sub cool on error occurring. SC	0~234 (0~130degC)
							(When the temperature is 100degF or more,
						0~234
							hundreds digit, tens digit and ones digit are
ON						Cooling = TH6-TH3	displayed by turns.)			degF
							(Example) When 115degF;
						Heating = TH5-TH2	0.5 secs.	0.5secs.	2 secs.
1	2	3	4	5	6		1	15
						Thermostat-on time until error stops	0~999
						0~999	(When it is 100 minutes or more, hundreds digit, tens
							digit and ones digit are displayed by turns.)
ON							(Example) When 415 minutes;			Minute
							0.5 secs.	0.5secs.	2 secs.
1	2	3	4	5	6		4	15

						U9 Error status during the Error	Description	Detection point	Display
						postponement period	Normal	—	00
ON
							Overvoltage error	Power circuit board	01
							Undervoltage error	Controller circuit board	02
1	2	3	4	5	6
							Input current sensor error.	Controller circuit board	04
							L1 or L2-phase open error.
							Abnormal power synchronous signal	Power circuit board	08	Code
							PFC error (A12, 18, 24NHA)	Power circuit board	10
										display
							(Overvoltage / Undervoltage / Overcurrent)
							PFC/ ACTM error	Check CNAF wiring.	20
							Undervoltage	Defective ACTM/ P.B.

WDisplay examples for multiple errors: Overvoltage (01) + Undervoltage (02) = 03 Undervoltage (02) + Power-sync signal error (08) = 0A L1 phase open error (04) + PFC error (10) = 14

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