H16

Check code

Main	Outdoor 7-segment display
remote
remote	Check code	Auxiliary code
controller	Check code	Auxiliary code

H16	H16	01: TK1 oil circuit system error
		02: TK2 oil circuit system error
		03: TK3 oil circuit system error
		04: TK4 oil circuit system error

L03	—	—

L04	L04	—

L05	—	—

Detected	Check code name	Status	Error detection condition		Check item (position)
position	Check code name	Status	Error detection condition		Check item (position)
position
I/F	Oil level detective circuit system error	All stop	Temperature change of TK1 could not be	•	Check TK1 sensor coming-off.
	MG-SW error		detected though compressor 1 started	•	Check characteristics of TK1 sensor resistance value.
	MG-SW error		the operation.	•	Check characteristics of TK1 sensor resistance value.
	OCR operation		the operation.	• Check TK1, TK2, TK3, and TK4 misconnection.
	OCR operation			• Check TK1, TK2, TK3, and TK4 misconnection.
				•	Check operation error of SV3E valve.
				•	Check capillary clogging of oil-equation circuit and operation error
					of stop valve.
				•	Check refrigerant stagnation in compressor.
				• Check MG-SW or OCR.

			Temperature change of TK2 could not be	• Check TK2 sensor coming-off.
			detected though compressor 2 started	• Check characteristics of TK2 sensor resistance value.
			the operation.	• Check characteristics of TK2 sensor resistance value.
			the operation.	• Check TK1, TK2, TK3, and TK4 misconnection.
				• Check TK1, TK2, TK3, and TK4 misconnection.
				•	Check SV3E valve operation.
				•	Check capillary clogging of oil equalization circuit and check stop
					valve operation.
				•	Check refrigerant stagnation in compressor shell.
				• Check MG-SW or OCR.

			Temperature change of TK3 could not be	• Check TK3 sensor coming-off.
			detected though compressor started the	• Check characteristics of TK3 sensor resistance value.
			operation.	• Check characteristics of TK3 sensor resistance value.
			operation.	• Check TK1, TK2, TK3, and TK4 misconnection.
				• Check TK1, TK2, TK3, and TK4 misconnection.
				•	Check SV3E valve operation.
				•	Check capillary clogging of oil-equalization circuit and check valve
					operation.
				•	Check refrigerant stagnation in compressor shell.
				• Check MG-SW or OCR.

			Temperature change of TK4 could not be	• Check TK4 sensor coming-off.
			detected though compressor started the	• Check characteristics of TK4 sensor resistance value.
			operation, or the difference from other TK	• Check characteristics of TK4 sensor resistance value.
			operation, or the difference from other TK	• Check TK1, TK2, TK3, and TK4 misconnection.
			sensor changed for a constant time only	• Check TK1, TK2, TK3, and TK4 misconnection.
			within the specified range.	•	Check SV3E valve operation.
				•	Check capillary clogging of oil-equalization circuit and check valve
					operation.
				•	Check refrigerant stagnation in compressor shell.
				• Check MG-SW or OCR.

Indoor	Duplicated indoor center units	Corresponding	There are multiple center units in a group.	•	Check indoor address.
		unit only stops.		•	Check the change of remote controller connection
				•	Check the change of remote controller connection
					(Group/individual) after indoor address setup.

I/F	Duplicated outdoor line address	All stop	Line address setup is duplicated against	•	Check line address.
			the outdoor unit in different refrigerant
			pipe system.

I/F	Duplicated indoor units with priority	All stop	Indoor units with priority were duplicated.	•	Check display of indoor unit with priority.
	(Displayed on indoor unit with priority)

MG-SW : Magnet Switch, OCR : Over-current Relay

MMU-AP0181MH, MMU-AP0071MH, MMU-AP0091MH, MMU-AP0151MH, MMU-AP0121MH specifications

The Toshiba MMU-AP series, consisting of models MMU-AP0121MH, MMU-AP0151MH, MMU-AP0091MH, MMU-AP0071MH, and MMU-AP0181MH, represents a significant advancement in the realm of power management and energy efficiency for a variety of applications. These modules are designed to optimize performance while ensuring minimal energy consumption, making them suitable for both commercial and industrial uses.

One of the standout features of the MMU-AP series is its intelligent power management technology. This feature allows for adaptive energy distribution based on real-time demands. By leveraging precise control algorithms, the modules can adjust their output to match the specific requirements of connected devices, ultimately leading to reduced power loss and increased efficiency. This adaptability not only benefits end-users by lowering operational costs but also contributes to a greener environment by minimizing waste.

The versatility of the MMU-AP series is evident in its wide range of operational capabilities. These power modules are designed to work effectively in various voltage levels and load conditions. With input voltage ranges suitable for standard industrial environments, they can easily be integrated into existing systems, enhancing overall functionality without requiring extensive modifications.

Moreover, the compact design of the MMU-AP modules is another notable characteristic. Their size and light weight facilitate easier installation and integration into tight spaces, making them ideal for applications where real estate is a premium. This compact profile does not compromise performance, as these modules are engineered to deliver robust power output while maintaining thermal efficiency.

In terms of reliability, the MMU-AP series is built with high-grade components that withstand harsh operating conditions. With features such as over-voltage protection, short-circuit protection, and thermal shutdown capabilities, users can trust that their equipment would operate safely and efficiently, thereby extending the lifespan of both the power modules and the devices they serve.

Finally, Toshiba’s commitment to innovation ensures that the MMU-AP series incorporates cutting-edge technology. The series supports communication protocols that enable seamless integration with smart systems, paving the way for advanced monitoring and control functions. This levels up the user experience, providing insights into performance and diagnostics that are crucial for uptime and reliability in demanding environments.

In conclusion, the Toshiba MMU-AP series offers a blend of efficiency, adaptability, and advanced technology, making it a valuable asset for various industrial and commercial applications. Its intelligent design and robust features ensure that users can optimize energy use while maintaining high performance and reliability.

Toshiba MMU-AP0091MH, MMU-AP0181MH Check code Main Outdoor 7-segment display Remote, H16

Models: MMU-AP0181MH MMU-AP0071MH MMU-AP0091MH MMU-AP0151MH MMU-AP0121MH

Check code

Main

Outdoor 7-segment display

remote

MMU-AP0181MH, MMU-AP0071MH, MMU-AP0091MH, MMU-AP0151MH, MMU-AP0121MH specifications