Troubleshooting Tips

Heat Controller, Inc.

OWNER’S MANUAL

VMH Inverter Mini-Split

Stop the air conditioner immediately if one of the following errors occurs. Disconnect the power and contact an authorized servicer.

Call for service if

If any of the following error codes appear on the LED window, disconnect the power and contact an authorized servicer: E0, E1, E2, E3, E4, E5, E6, E7, E8, P0, P1, P2, P3, P4.

Fuse blows or circuit breaker trips frequently

Other abnormal situations (such as burning smells) that can’t be resolved using the steps outlined below.

Symptoms	Possible Cause/Things to Check	What should be done?

	Is there power supplied to the unit?	Wait for the power to be restored or call an
	Is there power supplied to the unit?	electrician to address any power supply problem.
		electrician to address any power supply problem.

Unit does	Fuse may have blown out or a circuit	Replace the fuse or flip the circuit breaker.
Unit does	breaker has been tripped.	Replace the fuse or flip the circuit breaker.
no start or	breaker has been tripped.
operate at	Batteries in remote controller may be dead	Replace the batteries and ensure the polarities
all	Batteries in remote controller may be dead	Replace the batteries and ensure the polarities
all	or installed incorrectly.	are correct.
	or installed incorrectly.	are correct.

	Is the unit’s timer set?	Wait or cancel timer setting.

	Inappropriate temperature setting.	Set temperature correctly.

Poor cooling	Air filter may be blocked	Clean the air filter to prevent air flow blockages.
Poor cooling
or heating		Close the doors or windows within the area
(heat pump	Doors or windows are open.	being cooled/heated to increase efficiency and
models only)		performance.
performance	Air inlet or outlet of indoor or outdoor unit	Clear obstructions away, then restart the unit.
	are blocked.	Clear obstructions away, then restart the unit.
	are blocked.

	Compressor time delay has been activated	Wait approximately 3 minutes for the compressor
	Compressor time delay has been activated	to turn on and the unit to begin cooling/heating.

If the problem persists after performing these checks, or if you notice burning smells, or the operation indicator light flashes repeatedly, immediately stop operation, disconnect the power, and call an authorized service center.

VMH 09/12/18/24 specifications

The Maytag VMH series, including models VMH 09, 12, 18, and 24, represents a distinctive blend of performance and innovation in the realm of heating and cooling solutions. Designed for both residential and commercial applications, these models emphasize efficiency, durability, and user-friendly features.

One of the key highlights of the VMH series is its advanced inverter technology, which allows the units to adjust their compressor speed according to the heating or cooling demands of the environment. This feature ensures optimal energy consumption, significantly reducing utility bills compared to conventional systems that operate at a fixed speed. The inverter technology also results in quieter operation, enhancing comfort whether in a home or office setting.

The VMH models come equipped with high SEER (Seasonal Energy Efficiency Ratio) ratings, which mark them as some of the most energy-efficient options available. This efficiency is not just eco-friendly; it also means that users can expect long-term savings. In addition, the units feature R-410A refrigerant, known for its low environmental impact and effectiveness in providing superior cooling and heating performance.

Ease of use is another hallmark of the VMH series. Each model is designed with a smart control panel, allowing users to easily adjust settings, set timers, and monitor energy usage. Some models also offer compatibility with smart home systems, enabling control via smartphones or tablets for optimal convenience.

Durability is a critical characteristic of the Maytag VMH series. Engineered with robust materials and a corrosion-resistant finish, these units can withstand diverse weather conditions, making them ideal for various climates. The self-diagnostic tool integrated into the units ensures that maintenance and troubleshooting processes are simplified, promoting longevity and reliability.

In terms of installation, the VMH models are versatile. They can be mounted in various configurations to suit different spaces, whether it be wall, ceiling, or floor-mounted installations. This adaptability, combined with a sleek design, allows these units to blend seamlessly into any interior aesthetic.

Overall, the Maytag VMH 09, 12, 18, and 24 models stand out in the market for their combination of cutting-edge technology, energy efficiency, and user-centric features, making them an excellent choice for individuals and businesses seeking reliable heating and cooling systems.