Hobart LX18C manual

N S T R U C T I O N S I LX SERIES DISHWASHER LX SERIES DISHW ASHERS MODELS LX18 ML-104349 LX18C ML-104350 LX18H ML-104351 LX30 ML-104352 LX30C ML-104353 LX30H ML-104354 LX40C ML-104355 LX40H ML-104356 FORM 18615 Rev. I (July 2000) 701 S. RIDGE AVENUE TROY, OHIO 45374-0001 937 332-3000 www.hobartcorp.com[...]

– 2 – © HOBART CORPORATION, 1993 T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Un[...]

– 3 – Model LX30 Dishwasher Installation, Operation, and Care of LX SERIES DISHW ASHERS SA VE THESE INSTRUCTIONS GENERAL The LX Series dishwashers are fully automatic, front-loading dishwashing machines which are equipped with a 3 / 4 horsepower electric motor. All LX Series dishwashers shut down automatically four hours after last use to conse[...]

– 4 – INST ALLA TION UNPACKING Immediately after unpacking the dishwasher, check for possible shipping damage. If this machine is found to be damaged, save packaging material and contact the carrier within 15 days of delivery. Prior to installation, verify that the electrical supply agrees with the specifications on the machine data plate. TRIM[...]

– 5 – PLUMBING CONNECTIONS WARNING : PLUMBING CONNECTIONS MUST COMPLY WITH APPLICABLE SANITARY, SAFETY, AND PLUMBING CODES. Drain A drain hose is provided with a 3 / 4 " pipe connection adapter. This should be securely plumbed into the sink drain. Use care not to kink hose. See installation diagrams in this manual. Drain must have a minimu[...]

– 6 – ELECTRICAL CONNECTION WARNING : ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES. WARNING : DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A TAG AT THE DISCONNECT SWITCH TO INDICATE THAT YOU ARE WORKING ON THE CIRCUIT. A T A D L A C I R T C E L [...]

– 7 – Refer to the data plate on the front of the machine and the label inside the control drawer at the power connection for proper selection. Use stranded copper wire only. 1. Remove the cover plate at the upper right in the back of the machine (Fig. 1). A hole for 1" trade size conduit is supplied in the cover plate. Fig. 1 Fig. 2 2. Op[...]

– 8 – DETERGENT AND RINSE AID If manually adding detergent in an LX18, LX18C, or LX18H at the beginning of each cycle, the machine must be programmed to the “True Fill and Dump” mode. This will ensure detergent is not dumped before filling with fresh, hot water. Contact your local Hobart Service Office to arrange for conversion. Use only co[...]

– 9 – INSTALLATION DIAGRAM (LX18, LX18C & LX18H) — 329300[...]

– 10 – INSTALLATION DIAGRAM (LX30, LX30C & LX30H) — 329301[...]

– 11 – INSTALLATION DIAGRAM (LX40C & LX40H) — 329302[...]

– 12 – OPERA TION CAUTION: Items such as pewter, aluminum, and silver will be attacked by sodium hypochlorite (bleach). Therefore, chemical sanitizing dishwashers should not be used to wash such items. If your dishwasher is a chemical sanitizing model, frequently check the clear portion of your chemical feed standpipe (at your sanitizer bottle)[...]

– 13 – Operating Models LX18, LX18C, LX18H, LX30, LX30C, and LX30H Dishwashers DO THIS DISPLAY SHOWS REMARKS Press ON. Model number. Dishwasher performs self check. This takes 5-10 seconds. FILL lit and sump Dishwasher fills with water. When filled, temperature displayed pump turns on for 10 seconds. when machine is filling. If door is opened d[...]

– 14 – DIAGNOSTIC MESSAGES In the event of a problem with a temperature probe, the display will flash "P1," "P2," or "P3" every 10 seconds. The respective heaters will shut down. Other functions will continue to operate normally. Contact your local Hobart Service Office. Drain and fill error messages are displayed [...]

– 15 – MODELS LX30, LX30C and LX30H WASH/RINSE CYCLE TIMES Wash 85 Sec.** Drain* 10 Sec. Max. Dwell 4 Sec. Rinse 10 Sec. Dwell 6 Sec. * Drains off about 1 gallon of water. **Wash time is 145 seconds for 70 ° F rise option.[...]

– 16 – CONTROLS — Models LX40H & LX40C (Fig. 4) Fig. 4 Operating Models LX40H & LX40C DO THIS DISPLAY SHOWS REMARKS Press ON. Two counts of "00000" to Dishwasher performs self check. This takes "99999", then model 5-10 seconds. number. FILL displayed when Dishwasher fills with water; detergent is machine is filling[...]

– 17 – Operating Models LX40H & LX40C (Continued) DO THIS DISPLAY SHOWS REMARKS Open door; slide rack of READY. dishes into dishwasher. Close door. Press WASH. WASH lit and sump Machine initiates a wash and rinse cycle. (Before you press WASH, temperature displayed you can change the cycle during wash cycle. If door is opened during wash cy[...]

– 18 – DIAGNOSTIC MESSAGES In the event of a problem with a temperature probe, the display will flash PROBE and CALL SERVICE will be lit. The respective heaters will shut down. Other functions will continue to operate normally. Contact your local Hobart Service Office. Drain and fill error messages are displayed as PRBLM/DR1, PRBLM/FILL1, PRBLM[...]

– 19 – MANAGER PROGRAMMING (Machine Must Be In READY Mode) To enter the Manager Programming Mode, you must first enter the Operator Programming Mode by pressing and holding "LX40" on the control panel (this is the HIDDEN key), then pressing WASH. Once you are in the Operator Programming Mode, press SELECT until PROGRAM is lit. Press a[...]

– 20 – PROGRAMMABLE VARIABLES AND RECOMMENDED SETTINGS — MODELS LX40H & LX40C The following functions of the dishwasher are programmable. The chart below shows the variables that may be programmed for each function and the recommended setting for each. RECOMMENDED FUNCTION PROGRAMMABLE VARIABLES SETTING Wash Setpoint H Models: 160 ° F - [...]

– 21 – Dishes must be scraped and/or rinsed to remove food particles and other debris. Never use steel wool on ware to be loaded into the dishwasher. Place dishes in a rack. Do not stack dishes on top of each other as water must have free access to all sides of every dish. Stand plates edgewise in a peg-type rack (Fig.7). Cups, glasses and bowl[...]

– 22 – 3. With a damp cloth, wipe the interior of the machine, the water level probes (Fig. 9), and the water level probe under the fine strainer. DO NOT use steel wool. Wipe the exterior of the machine. When cleaning the inside of the door, be sure to wipe the lip at the bottom of the door. Remove any remaining debris with a mild cleanser form[...]

– 23 – MAINTENANCE DELIMING — GENERAL WARNING: DELIMING SOLUTION, RINSE AGENTS, OR ANY OTHER KIND OF ACID MUST NOT COME IN CONTACT WITH BLEACH OR RINSE SOLUTION CONTAINING BLEACH USED IN CHEMICAL SANITIZING MACHINES. MIXING MAY CAUSE HAZARDOUS GAS TO FORM. THIS ENTIRE PROCEDURE MUST BE FOLLOWED STEP-BY-STEP FOR SAFE AND SATISFACTORY RESULTS. [...]

– 24 – DELIMING — Models LX30, LX30C & LX30H 1. Remove standpipe assemblies from chemical containers and place them as close to the floor as possible. Place a catch pan under them. 2. Cycle the machine four times to clear the lines of chemicals. 3. Remove rack from machine. 4. Add deliming agent (carefully follow supplier's instructi[...]

– 25 – DELIMING — Models LX40H and LX40C Models LX40H and LX40C are equipped with an automatic delime cycle reminder. After the preprogrammed number of cycles has expired, the control will indicate the delime request by illuminating DELIME. At this point, you must either enter a delime cycle or reprogram the number of cycles to terminate the [...]

– 26 – 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 o[...]

– 27 – SYMPTOM POSSIBLE CAUSES Unexpected results on 1. Etching — usually caused by any combination of high dishes. temperatures, soft water, soft glass, or high alkaline washing solutions. 2. Tarnishing — avoid washing silver, silver plate and pewter in chemical sanitizing machines. 3. Pitting — stainless steel may pit with lengthy conta[...]

– 28 – SYMPTOM POSSIBLE CAUSES Machine fills too high or 1. Machine not level — see LEVELING in this manual. leaks from door. 2. Fill solenoid valve leaking — turn the dishwasher OFF; if water continues to come in (through the rear fill air gap on LX18 Machine won't drain. models or rinse arms of LX30 and LX40 models), call your local [...]