Service Manual

 

 

 

VMH Series

 

 

 

Heat Controller, Inc.

 

 

 

 

 

 

 

 

 

9.2Outdoor unit error code explanation:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor

 

 

 

 

 

 

 

 

Corresponding Indoor

 

 

Error

 

 

LED STATUS

 

 

 

 

 

 

 

 

 

 

 

 

Mini-Split error code

 

 

Code:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E0

Outdoor EEPROM malfunction

 

 

 

 

E5

 

 

 

 

 

 

 

 

 

 

 

 

 

E1

Indoor unit A’s

coil

outlet

temp. sensor

or

connector

of

E5

 

 

sensor is defective

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E2

Indoor unit B’s

coil

outlet

temp. sensor

or

connector

of

E5

 

 

sensor is defective

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E3

Indoor unit C’s

coil

outlet

temp. sensor

or

connector

of

E5

 

 

sensor is defective

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E6

Indoor unit D’s

coil

outlet

temp. sensor

or

connector

of

E5

 

 

sensor is defective

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E4

Open or short circuit of outdoor unit temperature sensor

 

 

E5

 

 

 

 

 

 

 

 

 

 

 

 

 

E5

Voltage protection

 

 

 

 

 

 

P1

 

 

 

 

 

 

 

 

 

 

E7

Communication

malfunction between IPM

board

and

P4

 

 

outdoor main board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature protection of compressor discharge or

 

 

 

P0

compressor top.

 

 

 

 

 

 

 

P2

 

 

For A-VMH-36QC-1 it means Temperature protection of

 

 

 

 

 

 

 

compressor discharge

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P1

High pressure protection (Only for A-VMH-36QC-1)

 

 

P2

 

 

 

 

 

 

 

 

 

P2

Low pressure protection (Only for A-VMH-36QC-1)

 

 

P2

 

 

 

 

 

 

 

 

 

 

 

P3

Current protection of compressor

 

 

 

 

——

 

 

 

 

 

 

 

 

 

 

 

 

P4

IPM module protection

 

 

 

 

 

P0

 

 

 

 

 

 

 

 

 

 

 

P6

High temperature protection of condenser

 

 

 

 

——

 

 

 

 

 

 

 

 

 

 

 

P7

Inverter compressor drive protection

 

 

 

 

P4

 

 

 

 

 

 

 

 

 

 

 

PF

PFC module protection (A-VMH36QC-1)

 

 

 

 

——

 

 

 

 

 

 

 

 

 

 

 

 

 

26

Page 26
Image 26
Heat Controller A-VMH18DC-1, A-VMH36QC-1, A-VMH27TC-1 service manual 2Outdoor unit error code explanation

A-VMH18DC-1, A-VMH36QC-1, A-VMH27TC-1 specifications

The Heat Controller A-VMH series, consisting of models A-VMH27TC-1, A-VMH36QC-1, and A-VMH18DC-1, represents a sophisticated range of advanced heating and cooling systems designed for residential and commercial applications. These units are engineered to provide efficient climate control, ensuring optimal comfort throughout the year.

One of the standout features of the A-VMH series is its energy efficiency. With advanced inverter technology, these units adjust their power consumption based on the heating or cooling demand, ensuring minimal energy wastage. This not only contributes to lower energy bills but also reduces the carbon footprint, making these systems an environmentally friendly choice.

Each model in the A-VMH series comes equipped with a multi-stage filtration system designed to improve indoor air quality. The filters capture dust, allergens, and other particulate matter, ensuring that the air circulated through the living spaces is clean and fresh. This is particularly beneficial for households with allergy sufferers or respiratory issues.

The A-VMH27TC-1 model stands out for its compact design, making it ideal for smaller spaces without compromising on performance. It offers a cooling capacity of 27,000 BTU and is perfect for apartments or cozy living areas. The A-VMH36QC-1, on the other hand, provides a robust 36,000 BTU cooling capacity, making it suitable for larger rooms or commercial spaces. Its advanced heat pump technology allows for efficient heating even in colder climates. Lastly, the A-VMH18DC-1 model balances functionality and space-saving design, providing 18,000 BTUs for medium-sized areas.

All models are equipped with smart connectivity options, allowing users to control the temperature settings, adjust modes, and monitor energy consumption through mobile apps or smart home systems. This modern convenience provides users with the flexibility to maintain comfort according to their schedules and preferences.

Durability is also a hallmark of the A-VMH series. Each unit is built with high-quality materials and components, ensuring longevity and reliable performance. Moreover, the whisper-quiet operation of these units enhances the overall comfort, allowing users to enjoy their spaces without disruptive noise.

In summary, the Heat Controller A-VMH27TC-1, A-VMH36QC-1, and A-VMH18DC-1 are ideal choices for anyone seeking efficient, reliable, and smart climate control solutions. With their combination of energy efficiency, advanced filtration, smart capabilities, and robust design, these units meet the diverse needs of modern living and ensure lasting comfort in any environment.