Dometic 3400, 3300 owner manual Symptom 3. Flush valve will not close

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TROUBLESHOOTING (cont’d)

SYMPTOM 3. Flush valve will not close.

Condition/Procedure

Mode Switch is in SERVICE position:

Foreign object prevents the flush valve from closing and the safety circuit locked flush valve in open position:

Check the voltage output to the flush valve motor at pins 9 and 10 on the control module as follows:

Corrective Action

•Return switch to the “Normal” position.

•Reset the control circuit by putting the Mode Switch in the SERVICE position temporarily, then returning to the NORMAL position. If the flush valve did not close, go to next step.

•Pull the control module out as far as the control cables will allow.

•Disconnect either the orange or green wire from the Closed Limit Switch.

•With DC voltmeter test leads across pins 9 and 10, flip the Mode Switch between the SERVICE and NORMAL positions. If voltage is present for about two seconds in the NORMAL position, the flush valve motor or related wiring is defective.

•If voltage is not present, replace the control module.

SYMPTOM 4. Water will not enter toilet bowl during a flush and when the flush handle is raised or the flush switch is pushed to “Add Water”.

Procedure

Check the “WATER VALVE” status light while pushing the "Flush" switch on the control panel:

Corrective Action

•If the “WATER VALVE” status light comes on, the water valve filter screen may be plugged with debris, or the water valve or its related wiring is defective.

•If the “WATER VALVE” status light remains off, replace the control module.

•If voltage is not present, replace the control module.

SYMPTOM 5. Flush valve will not open when Mode Switch is in the “Service” position but opens during a normal flush cycle.

Corrective Action

• Replace control module.

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Contents Concerto Dometic Corporation Sanitation SystemsToilet Model Identification Table of ContentsOrdering Parts Toilet Installation Instructions Concertotm Toilet DimensionsSystem Requirements Page Page Page Model 3400 Remote Flush Switch Installation Remote Flush Switch ComponentsSwitch Toilet Important Information Before OperationElectronic Flush and Forget Operation Toilet ControlsAutomatic Flush Operation Timing Chart ServiceOperating Instructions NormalProper Cleaning and Maintenance Manual Flush OperationDeodorants and Special Tissue WinterizingSpare Parts Description Part Number QuantityRemote Flush Switch Base Assembly ComponentsFlush Mechanism Components Flush Handle Components Control ModuleToilet System Electrical Specifications 12VDCTroubleshooting Error CodesStatus Light Color Function Status Light No. of Flashes Pause ConditionTroubleshooting cont’d Symptom 3. Flush valve will not close Symptom 6. Water will not stay in bowl Wiring Diagrams Series with flush handle Series with remote flush switchCustomer Service Master Sanitation DistributorsMANUFACTURER’S THREE-YEAR and TEN-YEAR Limited Warranties ExclusionsImplied Warranties Other Rights

3400, 3300 specifications

The Dometic 3300 and 3400 series represent a significant advancement in mobile cooling technology, specifically designed for recreational vehicles, campers, and outdoor enthusiasts. These roof-mounted air conditioning units offer efficient cooling solutions that prioritize comfort and convenience while maintaining a lightweight and compact design.

One of the standout features of both the Dometic 3300 and 3400 is their high cooling capacity, capable of efficiently cooling spaces up to 30 feet long. This powerful cooling capability ensures that users can enjoy a comfortable indoor climate, even during the hottest days of summer. The units also come equipped with a superior airflow system, allowing for even distribution of cool air throughout the living space, enhancing overall comfort.

A key technology highlight of the Dometic 3300 and 3400 is the use of a variable speed compressor. This innovative feature adjusts the cooling output based on the ambient temperature, leading to improved energy efficiency and reduced noise levels compared to conventional fixed-speed units. The result is a quieter operation that allows users to enjoy a peaceful environment while staying cool.

The design of the Dometic 3300 and 3400 series also emphasizes user-friendly operation. With an intuitive digital thermostat, users can easily set their desired temperature and make adjustments as needed. The units also feature a remote control option, providing added convenience from anywhere in the RV or camper.

Durability is another cornerstone of the Dometic 3300 and 3400. Built with robust materials that withstand the rigors of outdoor use, these units are designed to endure varying weather conditions. Moreover, the sleek, low-profile design not only enhances the aesthetic of the vehicle but also minimizes wind resistance, contributing to better fuel efficiency during travel.

In addition to their cooling capabilities, both models include an integrated heat pump option, allowing for climate control throughout the year. This versatility makes the Dometic 3300 and 3400 ideal for users who camp in diverse conditions, from sweltering summer heat to chilly fall evenings.

Overall, the Dometic 3300 and 3400 series air conditioning units combine advanced technology with practical features, creating an efficient and effective solution for maintaining a comfortable environment in mobile living spaces. Their blend of performance, durability, and user-friendly operation establishes them as leaders in the market for RV air conditioning solutions.
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