Part 4 Trouble Shooting

 

 

 

 

Error code

Description

Cause of error

 

 

 

 

 

 

 

• Supplied power is not normal

 

 

 

• Comp Connector (CN-U,V,W) is disconnected or inserted into the

 

6

DC Peak Error

wrong position

 

• Compressor is damaged (coil short) replace compressor

 

 

 

• Too much Refrigerant

 

 

 

• Defect in outdoor pcb assembly replace pcb assembly

 

 

 

 

 

Check flow

Supplied voltage to Outdoor pcb is about AC 208~230V ?

No

YES

YES

Is connector (CN-U,V,W)

connected to compressor and

inserted into the pcb in right position ?

No

Refrigerant pressure is right ?

No

Check power source

Check CN-U,V,W connector (U : RD, V : BL, W : YL)

Check refrigerant pressure and adjust.

YES

Is the compressor right ?

No

Check resistance

Between U-V, V-W, U-W port.

Short / Open circuit (Comp.motor coil error)

normal : 1 ~2

Between U,V,W and Body

normal : over 10M

YES

Inverter components in outdoor pcb assembly are right ?

No

*9 K/12K Model Check

Short of SPM3 pins (GND - P, U, V, W pin)

Direction of D01Z~D03Z, C08Z,10Z,12Z,16Z

Assembling state of R01P ~ R21P & IC01P

Assembling state of screw between INV-IC & Heat-sink

DC 15V output of Power module.

U

V

- 51 -

Only for training and service purposes

Page 51
Image 51
Heat Controller VMC18SB-1/VMH18SB-1, VMC09SB-1/VMH09SB-1, VMC30SB-1/VMH30SB-1, VMC24SB-1/VMH24SB-1 DC Peak Error

VMC12SB-1/VMH12SB-1, VMC18SB-1/VMH18SB-1, VMC24SB-1/VMH24SB-1, VMC09SB-1/VMH09SB-1, VMC30SB-1/VMH30SB-1 specifications

The Heat Controller VMC30SB-1/VMH30SB-1, VMC09SB-1/VMH09SB-1, VMC24SB-1/VMH24SB-1, VMC18SB-1/VMH18SB-1, and VMC12SB-1/VMH12SB-1 are versatile and efficient HVAC systems designed for residential and commercial applications. These units stand out due to their innovative technologies, user-friendly features, and reliable performance, making them an excellent choice for heating and cooling needs.

One of the most significant features of these units is their Energy Efficiency Rating (EER). Each model has been engineered to provide optimal energy savings, thus minimizing operating costs and environmental impact. Utilizing advanced inverter technology, the systems adjust their cooling and heating output according to the room's demand, ensuring that energy is used only when necessary. This results in quieter operation, less energy consumption, and enhanced comfort.

The VMC and VMH models are equipped with high-performance compressors that provide rapid heating and cooling capabilities. This feature allows users to attain their desired temperatures more quickly compared to traditional systems, ensuring a comfortable environment throughout the year. In addition, the systems maintain consistent temperatures and reduce temperature fluctuations, contributing to a more enjoyable living or working space.

Another key characteristic of the Heat Controller units is their comprehensive filtration systems. These include multi-stage filters designed to trap dust, allergens, and other particulate matter, contributing to improved indoor air quality. This aspect is particularly important for those who suffer from allergies or respiratory issues, as the units help to create a cleaner, healthier living environment.

The compact design of these models allows for easy installation in various spaces, including small apartments or tight commercial setups. They feature an intuitive control panel that offers user-friendly programming options, enabling users to schedule operations according to their daily routines. Additionally, many models include smart connectivity features, allowing remote access and adjustments via mobile apps.

Finally, the aesthetic design of the VMC and VMH series complements modern interior decors, ensuring that these units not only perform well but look good while doing so. With a combination of reliability, energy efficiency, and user-centric features, the Heat Controller VMC and VMH series stand out as an excellent investment for any heating and cooling requirement. These units promise comfort, convenience, and cost-effective operation.