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Toshiba MMU-AP0091MH, MMU-AP0181MH, MMU-AP0151MH P22 Outdoor fan Ipdu error, Auxiliary code 0 ∗

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

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C

All heating operation

 

 

 

 

 

 

 

 

 

NO

 

Is connector

NO

 

 

 

 

 

 

Does heating indoor fan

 

connection of indoor

 

 

 

 

normally operate?

 

 

heat exchanger fan or

 

 

YES

 

 

 

fan motor normal?

 

 

 

NO

 

YES

 

 

 

 

 

 

 

 

 

 

Is indoor PMV normal?

 

 

 

 

 

 

 

 

 

Repair faulty parts.

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check code name

Check code name

Cause of operation

[P22]

Outdoor fan IPDU error

1. Fan lock

 

 

2.

Fan IPDU P.C. board error

 

 

3.

Overload cause

 

 

4.

External cause such as blast

 

 

5.

Fan IPDU power P.C. board error

Auxiliary code: 0 ∗

: IGBT short circuit

1 ∗

: Position detect circuit error

3 ∗

: Motor lock error

4 ∗

: Motor current error detected

C∗

: TH sensor error (Heat sink overheat)

D∗

: TH sensor error

E∗

: Vdc error

 

 

87

 

 

 

Is connector connection

 

NO

 

 

Are characteristics

NO

 

 

 

 

 

 

 

 

 

of sensor TC2 and TCJ

 

 

 

 

 

 

 

 

coil normal?

 

 

 

 

resistance normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Repair faulty parts.

 

 

 

 

Replace TC2 or TCJ sensor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there a clogging?

 

 

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Faulty Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace PMV body

 

 

 

 

 

 

 

 

 

Repair check valve.

Replace

 

 

 

 

.

 

 

 

 

 

 

 

 

 

 

Is check valve of main

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Repair check valve.

Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

discharge pipe normal?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there a cause to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interfere operation of

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

heat exchanger of indoor unit?

 

 

 

 

 

 

 

 

 

 

Eliminate the interfered causes.

 

 

 

 

 

 

 

 

 

 

 

 

 

1. Air filter clogging

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Heat exchanger clogging

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Air short circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is SV5 circuit normal?

 

 

 

 

 

 

 

 

 

 

 

 

Repair SV5 circuit.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(

Coil error, choke,

)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are wire connector

NO

connection on fan IPDU and

 

 

power P.C. board A’ssy normal?

 

 

 

YES

 

 

 

 

YES

Is not outdoor fan motor locked?

 

 

 

NO

 

 

 

 

NO

Is winding resistance of the motor correct?

13 to 33 (Between R and S, R and T, S and T)

 

 

 

YES

 

 

 

 

YES

Is there no loosening on fixation

between fan IPDU and heat sink?

 

 

 

YES

 

 

 

 

YES

 

 

Is sub-code of outdoor I/F P.C. board [0d]?

NO

 

 

 

 

 

Is there no problem

YES

such as stuffing or blast blowing to

 

 

discharge port of outdoor fan?

 

Correct cable connector connection.

Replace motor.

Retightening of screws, etc.

Replace fan IPDU.

Correct cause of overload.

YES

 

 

 

disconnection of cable, etc.

 

 

Abnormal

 

 

 

Check operation of 4-way valve.

 

 

Replace 4-way valve.

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

Abnormal

 

 

 

Check clogging of SV11 circuit.

 

 

Replace defective parts.

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

Are not indoor units of different

NO

 

 

 

 

 

Check and correct cabling.

 

 

 

refrigerant circuit connected?

Check with miscabling check function

 

 

 

 

 

YES

 

( of outdoor unit.

)

 

 

 

 

 

 

 

 

Refrigerant overcharge,

 

 

 

 

clogging, pipe breakage,

 

 

 

 

abnormal overload condition

 

 

 

 

 

 

 

 

 

 

NO

Check fan IPDU.

Page 86 Page 88
Page 87
Image 87
Toshiba MMU-AP0091MH, MMU-AP0181MH, MMU-AP0151MH, MMU-AP0071MH, MMU-AP0121MH P22 Outdoor fan Ipdu error, Auxiliary code 0 ∗
Page 86 Page 88

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.