Action Table | Mitsubishi Electronics PUY-A42NHA2-BS, PUZ-A30NHA2

• Before repair

Frequent calling from customers

Phone Calls From Customers	How to Respond	Note
Unit does 1 The operating display of remote	1 Check if power is supplied to air conditioner.
not operate controller does not come on.	Nothing appears on the display unless power is
at all.	supplied.

2Unit cannot be restarted for a 2 Wait around 3 minutes to restart unit.

	while after it’s stopped.	The air conditioner is in a state of being protected
		by the microcomputer’s directive. Once the
		compressor is stopped, the unit cannot be
		restarted for 3 minutes. This control is also applied
		when the unit is turned on and off by remote
		controller or thermostat.

	3 Error code appears and blinks	3 Error code will be displayed if any protection	Refer to “SELF-DIAGNOSIS
	on the display of remote	devices of the air conditioner are actuated.	ACTION TABLE”.
	controller.	What is error code?	Check if servicing is
			required for the error.

Remote	1 “PLEASE WAIT” is displayed	1 Wait around 2 minutes.
controller	on the screen.	An automatic startup test will be conducted for
		2 minutes when power is supplied to the air
		conditioner. “PLEASE WAIT” will be kept being
		displayed while that time.

2“FILTER” is displayed on the 2 This indicates that it is time to clean the air filters. Display time of “FILTER”

screen.	Clean the air filters. Press the FILTER button on	depends on the model.
	the remote controller twice to clear “FILTER” from Long life filter: 2500 hrs.
	the display.	Regular filter: 100 hrs.
	See the operation manual that came with the
	product for how to clean the filters.

3“STANDBY” is displayed on the 3 This is displayed when the unit starts HEAT

screen.	operation, when the thermostat puts the
	compressor in operation mode, or when the
	outdoor unit ends DEFROST operation and
	returns to HEAT operation.
	The display will automatically disappear around
	10 minutes later.
	While “STANDBY” is displayed on the remote
	controller, the airflow amount will be restricted
	because the indoor unit’s heat exchanger is not
	fully heated up. In addition to that, the up/down
	vane will be automatically set to horizontal blow
	in order to prevent cold air from directly blowing
	out to human body. The up/down vane will return
	to the setting specified by the remote controller
	when “STANDBY” is released.

4“DEFROST” is displayed on 4 The outdoor unit gets frosted when the outside

the screen. (No air comes out of	temperature is low and the humidity is high.
the unit.)	“DEFROST” indicates the DEFROST operation
	is being performed to melt this frost. The
	DEFROST operation ends in around 10 minutes
	(at most 15 minutes).
	During the DEFROST operation, the indoor unit’s
	heat exchanger becomes cold, so the blower is
	stopped. The up/down vane will be automatically
	set to horizontal blow in order to prevent cold air
	from directly blowing out to human body. The
	display will turn into “STANDBY” when DEFROST
	operation ends.

PUZ-A36NHA2-BS, PUY-A12NHA2, PUY-A42NHA2-BS, PUY-A30NHA2, PUZ-A36NHA2 specifications

Mitsubishi Electronics has long been a leader in the HVAC industry, and their range of air conditioning units, including the PUY-A24NHA2, PUZ-A24NHA2, PUY-A24NHA2-BS, PUZ-A42NHA2-BS, and PUY-A42NHA2, exemplifies their commitment to innovation and energy efficiency. These models are designed to provide optimal climate control for both residential and commercial applications, ensuring comfort throughout the year.

One of the defining features of these models is their advanced inverter technology, which allows for precise temperature control and reduced energy consumption. The inverter technology adjusts the compressor speed according to the cooling load, significantly lowering operating costs compared to traditional fixed-speed systems. This means that users can enjoy consistent comfort without worrying about surging energy bills.

The PUY and PUZ units come equipped with powerful indoor and outdoor components that enable efficient heat exchange. These systems provide excellent performance even in extreme weather conditions, with reliable operation at low ambient temperatures. This capability ensures that you can maintain a comfortable environment, no matter the season.

Additionally, the models are designed with quiet operation in mind. The outdoor units incorporate noise-reduction technology, ensuring that the systems operate at minimal sound levels. This is especially beneficial for residential areas or office environments, where maintaining a peaceful atmosphere is crucial.

Mitsubishi Electronics has also integrated smart technology into these units. With options for remote control via Wi-Fi, users can manage their air conditioning settings from anywhere, using their smartphones or tablets. This integration enhances user convenience and allows for more efficient scheduling and energy management.

These models are also known for their environmentally friendly refrigerants, such as R410A, which contribute to lower global warming potential and align with modern sustainability practices. By choosing Mitsubishi's PUY and PUZ series, consumers not only prioritize their comfort but also contribute to environmental conservation.

In summary, the Mitsubishi Electronics PUY-A24NHA2, PUZ-A24NHA2, PUY-A24NHA2-BS, PUZ-A42NHA2-BS, and PUY-A42NHA2 air conditioning units are equipped with cutting-edge technology, offering energy efficiency, quiet operation, and smart functionality. Whether for residential or commercial use, these units are designed to meet the demands of modern climate control while prioritizing energy savings and sustainability.

• Before repair

Frequent calling from customers

ACTION TABLE”.

PUZ-A36NHA2-BS, PUY-A12NHA2, PUY-A42NHA2-BS, PUY-A30NHA2, PUZ-A36NHA2 specifications