Remote Check code Auxiliary code | Toshiba MMU-AP0151MH instruction

		Check code
				Detected		Status
	Main	Outdoor 7-segment display		Detected	Check code name		Error detection condition		Check item (position)
	Main	Outdoor 7-segment display		position	Check code name		Error detection condition		Check item (position)
	remote			position
	remote	Check code	Auxiliary code
	controller	Check code	Auxiliary code

	P17	P17	—	I/F	Discharge temp	All stop	Discharge temperature (TD2)	•	Check full opening of outdoor service valves (gas side, liquid side).
					TD2 error		exceeded 115°C.	• Check clogging of outdoor PMV (PMV1, 2).
								• Check clogging of outdoor PMV (PMV1, 2).
								• Check characteristics of TD2 sensor resistance value.
								•	Check 4-way valve error.
								•	Check leakage of SV42 circuit.
								• Check SV4 circuit. (Miscabling and misinstallation of SV41 and SV42)
								•	Check leakage of SV5 valve circuit.
								• Check SV6 circuit. (Clogging, Valve operation error)
								•	Check mispiping of discharge gas/suction gas main pipe.
								•	Check Flow selector unit.
									Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS.)
									Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas), wiring between FS unit
									and indoor unit, and connection of connectors.
									Check miswiring of SVS/SVD valves.

	P19	P19	Detected outdoor unit No.	I/F	4-way valve	All stop	When abnormal refrigerating cycle	•	Error of 4-way valve error.
					operation error		data was detected in heating	•	Check coil error and connector connection of 4-way valve.
								• Check characteristics of TS1/TE1 sensor resistance value.
								•	Check characteristics of Pd, Ps pressure sensor output voltage.
								• Check misconnection of TE1 and TL sensors.
								•	Check Flow selector unit.
61									Check leakage of SVD valve and SVS valve. (Check leakage of SVDD valve and SVSS.)
61									Check mispiping of FS unit connecting pipe (Suction gas/Discharge gas).


	P20	P20	—	I/F	High-pressure	All stop	Pd sensor detected 3.6MPa or	• Check Pd pressure sensor error.
					protective operation		more.	•	Check full opening of service valves (Gas side, Liquid side).
								•
								•	Check outdoor fan error.
								•	Check outdoor fan motor error.
								• Check clogging of outdoor PMV. (PMV1,2)
								•	Check clogging of indoor/outdoor heat exchangers.
								•	Check air short-circuiting in outdoor unit.
								•	Check clogging of SV2 circuit.
								• Check outdoor P.C. board (I/F) error.
								• Check indoor fan system error. (Cause of air volume decrease)
								• Check valve opening of indoor PMV.
								•	Check miscabling of communication line between indoor and outdoor.
								•	Check operation error of check valve of discharge pipe.
								•	Check circuit of gas balance SV4 valve.
								•	Check mispiping of discharge gas/suction gas main pipe.
								•	Check operation error of check valve of discharge gas pipe.
								• Check circuit of SV11 valve. (Clogging, OFF at one side only)
								• Check clogging of circuit at auxiliary heat exchanger side. (Miswiring, Disconnection, Wiring missing)
								•	Check Flow selector unit.
									Check leakage of SVD valve and operation error.
									Check wiring inside of FS unit. (SVD/SVS coil miswiring, etc.)
									Check wiring between FS unit and indoor unit. (Miswiring, Disconnection, Wiring missing)
								•	Check circuit of SV5 valve.
								•	Check refrigerant overcharge.

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-AP0151MH, MMU-AP0181MH, MMU-AP0091MH, MMU-AP0071MH Remote Check code Auxiliary code

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

remote

Check code

Auxiliary code

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