Moyer Diebel MH-6NM5, MH-6LM5, MH-60M5 Basic Service, Electrical Service, Troubleshooting

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BASIC SERVICE

BASIC SERVICE

This Basic Service section does not cover all possible repair procedures. If you require additional service support, you may call your local service company or:

Moyer Diebel National Service

USA: 1-800-858-4477

Canada: 1-800-263-5798

Please have the Model and Serial Number of the machine ready when you call.

Electrical Service

NOTE:

DO NOT USE CHASSIS GROUND WHEN PERFORMING VOLTAGE CHECKS. Doing so will result in false and inaccurate readings.

PERFORM VOLTAGE CHECKS BY READING FROM THE HOT SIDE OF THE LINE AND NEUTRAL (any #2 or white wire).

WARNING:

!USE EXTREME CAUTION when performing tests on energized circuits.

WARNING:

!When repairing a circuit, disconnect the power at the main service disconnect switch and place a tag at the disconnect switch to indicate that work is being performed on the circuit.

Troubleshooting

Schematics

Moyer Diebel places an electrical schematic in the control cabinet of every machine before it is shipped. Schematics are included at the back of this manual as well. Be aware that these schematics include options that may not apply to your machine. Options are enclosed in dashed lines with the words (IF USED) next to them on the schematic. Disregard any options that appear on the schematics which are not a part of your machine.

Tools

All electrical repairs can be made with:

Standard set of hand tools Volt/Ohm Meter (VOM) Clip-on AC current tester

Circuit Tests

Use a clip-on AC current tester to check the motors and electric heaters. Use a VOM to test line voltages and the 115VAC control circuit.

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Contents Technical Manual Moyer Diebel, US Moyer Diebel, Limited Revision History CommentsContents Door Handle, Spring Assembly and Safety Switch List of FiguresThis Intentionally Left Blank Limited Warranty This Intentionally Left Blank Introduction Standard Equipment includes AccessoriesModel Numbers Options MH-60 onlyModel Voltage Booster Rise Rated Installation Unpack the dishwasherChanging Operation Straight-through to Corner Installation Electrical ConnectionsHinged Control Panel Installation 20-22 PSI/138-151.8 kPaWater Connections Drain ConnectionsVentilation Chemical Connections MH-60, 6N, 6L MH-6L OnlyModels MH-60 and MH-6N do not require sanitizer Complete the installation Install the Scrap Screens Drain-Overflow AssemblyInitial START-UP Check Wash Water Temperature Dishwasher Fills AutomaticallyAutomatic dishwasher cycle Check Final Rinse Water Temperature Check Final Rinse Water PressureExtended Wash Operation Complete the initial start-upDrain the dishwasher Initial START-UP Operation Summary Action ResultEvery 2 Hours or After Each Meal Period CleaningCleaning Schedule Every 8 Hours or at the End of the DayDeliming Deliming ProcessTroubleshooting Condition Cause SolutionTroubleshooting Basic Service Electrical ServiceTroubleshooting Motor Overloads To Reset the Motor OverloadTo adjust the overload setting FusesTroubleshooting Timer Circuit Board IntroductionFuse F1 Testing Board Outputs Operation Configuration a Electrical Service Motor Connections Mechanical Service Pump Seal ReplacementReplacement Parts 413 Doors and Panels Part Item No Part DescriptionFront of Hood Door GUIDES, STOPS, and Lift Bracket Part Item No Part Description QtyMH-60/6N/6L Door Handle, Spring Assembly, and Safety Switch Door HANDLE, Spring ASSEMBLY, and Safety Switch MH-60/6N/6L Straight Track Assembly Straight Track Assembly Corner Track AssemblyFront WASH/RINSE Spray Piping After S/N D3858 Prior to S/N D3857 WASH/RINSE Spray Arms MH-60/6N/6L Drain Assembly and Scrap Screens Drain Assembly and Scrap Screens MH-60/6N/6L Wash Tank Heat and Thermostats Wash Tank Heat and Thermostats Valve Fill From Piping MH-60 only Electric Booster and Thermostats To Upper MH-60 only Lower Fill Piping Assembly 1714 MH-60/6N only Upper Fill Piping Assembly To Upper MH-6N/6L only Lower Fill Piping Assembly 1814 MH-6L only Upper Fill Piping Assembly MH-60/6N/6L Pump Assembly Pump Assembly MH-60/6N/6L Control Panel and Gauges Control Panel and Gauges 1123881516 Control Cabinet Dishracks and PRV Dishracks and PRV Part Part Description Item NoThis Intentionally Left Blank Electrical Schematics 701602

MH-60M5, MH-6LM5, MH-6NM5 specifications

Moyer Diebel is well-known for its high-quality commercial dishwashing equipment, and its MH series, including the MH-6NM5, MH-6LM5, and MH-60M5 models, exemplifies this commitment to efficiency, performance, and durability. These machines are designed to meet the rigorous demands of high-volume foodservice operations, making them ideal for restaurants, hotels, and institutional kitchens.

The MH-6NM5 features a compact design that allows for flexibility in space-constrained environments. Despite its size, it boasts impressive cleaning capabilities, leveraging advanced wash technologies that ensure every dish emerges spotless. This model integrates features such as adjustable wash cycles and a powerful wash pump, which can handle even the most soiled items without compromising the integrity of delicate glassware.

Similarly, the MH-6LM5 model steps up the performance with additional features designed for more demanding applications. It incorporates a low temperature, chemical sanitizing option, providing an eco-friendly solution without sacrificing cleanliness. The machine's user-friendly control panel makes operation straightforward, allowing staff to easily select appropriate settings tailored to their washing needs. Furthermore, its stainless steel construction ensures durability and ease of cleaning, enhancing the longevity of the equipment in a busy kitchen.

The MH-60M5 stands out with its high-capacity output, capable of washing an exceptionally large number of racks per hour. This makes it particularly suitable for operations with peak service times and heavy dish loads. The enhanced energy-efficient design reduces water and electricity consumption significantly, aligning with modern sustainability goals while also lowering operational costs.

All models in the MH series feature innovative technologies such as self-diagnostics and maintenance alerts, which aid in minimizing downtime and ensuring optimal performance. Ergonomic design considerations are also evident, with user-friendly loading and unloading features that reduce physical strain on staff.

In summary, Moyer Diebel's MH-6NM5, MH-6LM5, and MH-60M5 models combine advanced cleaning technology, energy efficiency, and robust construction, making them vital assets for any commercial kitchen. With their ability to adapt to various washing requirements and environments, they represent the pinnacle of performance in the dishwashing category, helping operators maintain high standards of cleanliness and productivity.
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