Hobart LX30C, LX18H, LX18C, LX40C, LX30H manual Troubleshooting, Symptom Possible Causes

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TROUBLESHOOTING

This section outlines various symptoms and possible causes that may be encountered in the event of abnormal machine operation. If symptoms persist after possible causes have been checked, service may be required.

SYMPTOM

 

POSSIBLE CAUSES

No machine operation

1.

Machine OFF — turn machine ON.

(No display).

2.

Blown fuse or circuit breaker off at power supply.

 

3.

Cord not plugged in (corded models only)

 

 

 

No machine operation

1.

Display: "dr" "oP" (or "door open" on LX40 Series) — open and

(With display).

 

close door. If problem persists, contact your local Hobart

 

 

Service Office.

 

2.

See MACHINE WON'T FILL.

 

 

 

Dishes not clean.

1.

Strainers clogged causing inadequate water supply to pump —

 

 

clean per instructions in CLEANING section.

 

2.

Obstruction in wash arm(s) or wash arms won't turn — clean per

 

 

instructions in CLEANING section.

 

3.

Rinse arms (Models LX30 & LX40 only) won't turn — check that

 

 

they spin.

 

4.

Detergent dispenser may be clogged.

 

5.

Soil quantity — scrape dishes before cycle.

 

6.

Improper rack loading — see PREPARATION in this manual.

 

7.

Low water — check water pressure.

 

8.

Water temperature too low — note wash temperature on display

 

 

during WASH; should be above 120°F for chemical sanitizing

 

 

machines and above 150°F for other machines.

 

9.

Incoming water supply turned off.

 

10.

Arm plugs missing.

 

 

 

Spotting of silverware,

1.

Improperly loaded racks.

glasses or dishes.

2.

Water temperature too low.

 

3.

Improper type or concentration of detergent — contact your

 

 

local detergent representative.

 

4.

Hard water — install a water softener; use a rinse agent.

 

5.

Insufficient fill — check water pressure.

 

 

 

Chemicals not feeding.

1.

Low on chemicals — check levels.

 

2.

Air leak at feeder hose connections — check for snugness.

 

3.

Tubes kinked — check for smooth bends.

 

 

Food soils remain in

Follow daily cleaning instructions.

dishwasher.

 

 

 

 

 

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Contents UCT I O Table of Contents LX Series Dishwashers General Model DescriptionLocation InstallationUnpacking LevelingWater Supply Plumbing ConnectionsDrain Electrical Connection Electrical Data LX40HCover Plate Detergent and Rinse AID Chemical Sanitizer Models LX18C, LX30C, and LX40C OnlyInstallation Diagram LX18, LX18C & LX18H Installation Diagram LX30, LX30C & LX30H Installation Diagram LX40C & LX40H Controls Models LX18, LX18C, LX18H, LX30, LX30C & LX30H Fig OperationBefore First USE Do this Display Shows Remarks Modified Fill and Dump Diagnostic MessagesModels LX18, LX18C & LX18H Modified Fill and Dump WASH/RINSE Cycle TimesModels LX30, LX30C and LX30H WASH/RINSE Cycle TimesControls Models LX40H & LX40C Fig Operating Models LX40H & LX40CReady Mode ReadyOperator Programming Models LX40H & LX40C WASH/RINSE Cycle TimesCycle Wash Drain Dwell Rinse Priming Chemical PumpsManager Programming Machine Must Be In Ready Mode Parameter Display ShowsPreparation ALL Models RecommendedFunction Programmable Variables DOs and DON’Ts for Your NEW Hobart Warewasher Cleaning ALL Models Deliming Models LX18, LX18C & LX18H MaintenanceDeliming General Deliming Models LX30, LX30C & LX30H Deliming Models LX40H and LX40C LubricationTroubleshooting Symptom Possible CausesDR1 PRBLM, FILL1 Service

LX18, LX30C, LX30H, LX40C, LX30 specifications

The Hobart LX series of dishwashers, including models LX18H, LX18C, LX30, LX40C, and LX30H, offers a combination of efficiency, advanced technology, and robust design suitable for various commercial kitchen environments. These machines are engineered to handle differing volumes of dishwashing tasks while maintaining high standards of cleanliness and sanitation.

The LX18H and LX18C are designed for lower-volume operations, making them ideal for smaller establishments such as cafes and bistros. The LX18H model features a high-temperature wash, ensuring effective sanitization through elevated water temperatures. It includes an energy-efficient operation with a low water consumption rate, making it both eco-friendly and cost-effective. The LX18C, on the other hand, utilizes chemical sanitizing, allowing for flexibility in cleaning procedures. Both models have quick cycle times, facilitating high productivity during peak hours.

Moving up in capacity, the LX30 and LX30H models cater to medium-volume commercial kitchens. The LX30 offers a high-efficiency wash system that allows for thorough cleaning in less time, benefiting fast-paced environments. The integrated booster heater ensures the water reaches optimal temperatures for sanitization, while a user-friendly control panel simplifies operation. The LX30H variant also focuses on high-temperature sanitization, making it suitable for establishments that require stringent hygiene standards.

The LX40C model stands out within the series as a versatile option for high-capacity dishwashing needs. It combines advanced technology with superior construction, allowing it to manage heavy workloads without compromising speed or efficacy. The wash, rinse, and drainage cycles are optimized to minimize water usage while maximizing cleaning power. Its chemical sanitization option provides consistent results, suitable for large commercial kitchens where the demand for cleanliness is paramount.

Enhancing user experience across the LX series is the inclusion of features such as automatic door opening, which allows for convenience and ease of use. Additionally, built-in diagnostics help in maintaining the machine's performance, reducing downtime. The robust stainless-steel construction ensures durability, while a compact design allows for versatility in placement within the kitchen.

In summary, the Hobart LX series—comprising LX18H, LX18C, LX30, LX40C, and LX30H—offers customizable solutions for a variety of dishwashing needs. With their energy-efficient features, advanced sanitization technologies, and user-centric designs, these models exemplify Hobart's commitment to delivering high-quality, reliable dishwashing solutions for the demanding environment of commercial kitchens.
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