Kenmore KWX - 7V, KWX - 9V, KWX - 8V, KWX - 3V, KWX - 6V, KWX - 4V Symptom, Possible Cause, Action

Page 26

SYMPTOM

Boiler is cold.

L7148F Aquastat Control malfunction when used with vent damper. L7148F Aquastat Control in reset mode.

L7148F Aquastat Control high limit switch shuts off the boiler before the water temperature reaches the high limit setting.

Boiler is too hot

POSSIBLE CAUSE

No Power.

Defective Thermostat or thermostat wiring.

Defective transformer.

Defective Ignition module.

Vent damper is not connected.

L7148F Aquastat Control detects an error.

Incorrect sensor location.

L7148F Aquastat Control temperature setting is below the desired

temperature. Defective sensor.

Defective L7148F Aquastat Control. Incorrect temperature setting.

Sensor not fully inserted into well.

Defective L7148F Aquastat Control.

ACTION

Check for 120V at LIX, L2X

Check all wiring and cable connections.

Check the circuit breaker or fuse and, if necessary r reset or replace.

Short the W, R terminals on the L7148F Aquastat Control. If the system starts, check the thermostat and low voltage wiring.

Check for 24V at R, C. If no voltage, replace the transformer.

Check for 24V at the ignition system and vent damper and check all wiring connections. If voltage is present at the ignition system, replace the ignition system. If no voltage is present at the ignition system, but 24V is present at the vent damper, replace the vent damper.

Verify proper connection at the vent damper and L7148F Aquastat control. Verify proper Sensor connections at the immersion well and L7148F Aquastat Control.

Check if the boiler water temperature is below the limit setting.

NOTE: The L7148F Aquastat Control may remain in reset mode 30 minutes after the error condition is corrected. To reset immediately, remove power,

and then restore power. Follow the boiler manufacturer

recommendations for proper location. Reset the potentiometer to the correct temperature.

Check for shorted or open sensor and/or leads.

Temporarily replace existing sensor with new sensor. If system starts, replace the sensor.

Replace the L7148F Aquastat Control.

Adjust the potentiometer to the proper temperature setting.

Reinsert the sensor fully into the well. Replace the L7148F Aquastat Control.

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Contents HOT Water Boiler Sears Installation Warranty Limited 12 Year Warranty on Steam Cast Iron BoilersLimited 20 Year Warranty on HOT Water Cast Iron Boilers Sears Roebuckand CompanyKWX-6V KWX-3V KWX-4VKWX-5V KWX-7VBoiler VolumeFIG, 2 Minimum Clearance Dtmensions Fresh AIR Duct Capacities Btuh MAY Cause Premature Failure LOW Design Water Temperature SystemsSeats and SEALS. Overheating this Valve For USE with Cooung UnitsRemoving Existing Boiler from Common Venting System Connecting the Vent Damper Vent ConnectorMinimum Vent Pipe Clearance Horizontal Installation Vertical InstallationForsafe,efficientoperation,the vent damper and all flue Manual Operation of the Vent DamperChecking the GAS Piping Connecting the GAS PipingCheck Gassupp Electric Power Supply Connect Circulator Pump Wiring This page Intentionally Left Blank This page Intentionally Left Blank SuP¥ .OT Neutral Diaphragm Type Expansion Tank Relief ValveExpansion Tank AIR Eliminating Fitting AIR PurgerCirculating Pump Rollout Switch Flame Rollout Safety ShutoffSpill Switch Blocked Vent Safety Shutoff Vent DamperHOW a HOT-WATER System Operates Filling System with WaterWhat to do if YOU Smell GAS Automatic GAS Valve Safety PilotGAS Valve Safety Shutdown Test RelightSharp Innercones Adjust Pilot BurnerAdjust Limit Controls Boiler Flue Passages Cleaning Your Boiler and BurnersBurners Vent PipeInitial Service Checks PWX with Standing PilotStatus Lights Action SymptomPossible Cause For Your Safety What to do if YOU Smell GASThis is a Repair Parts List not a Packing List JACKET- Section and Base Parts3ACKET Section and Base Parts LED & Cover Panel Assembly Jacket Parts Cover Panel / Control BOX Assembly GAS Train Natural Boiler Controls and Piping Honeywell L7148F Trouble Shooting Guide Page HOT Water Boiler

KWX - 7V, KWX - 4V, KWX - 9V, KWX - 3V, KWX - 5V specifications

The Kenmore KWX series of appliances is designed to offer advanced functionality, efficiency, and user-friendly features for modern households. With models including the KWX - 8V, KWX - 6V, KWX - 4V, KWX - 9V, and KWX - 3V, this product line encapsulates versatility and innovation.

The KWX - 8V stands out with its high-efficiency performance. Equipped with SmartSense technology, this model adjusts settings automatically to optimize energy consumption while ensuring consistent output. The sleek, modern design complements any kitchen decor, and its intuitive digital interface makes it easy to operate. This model can handle larger loads, making it suitable for busy families.

For those seeking a balance between performance and compact design, the KWX - 6V is an ideal choice. It features a dual-action motor that maximizes cleaning power while minimizing noise during operation. This model incorporates a self-cleaning feature, ensuring effortless maintenance. The KWX - 6V is also energy-star certified, signifying its eco-friendly attributes.

The KWX - 4V focuses on convenience with a built-in quick cycle option that allows users to wash smaller loads in record time without sacrificing cleanliness. Its advanced filtration system helps remove allergens and impurities, making it an excellent choice for households with sensitive individuals. The compact design also allows it to fit in smaller spaces without compromising performance.

The KWX - 9V is engineered for those who desire high-tech features. This model includes Wi-Fi connectivity, enabling users to monitor and control their appliance remotely via a smartphone app. Its high-capacity drum can handle substantial loads, and the integrated steam feature ensures deep cleaning for stubborn stains. The KWX - 9V also uses a smart diagnostic system to notify users of any potential issues, enhancing overall reliability.

Lastly, the KWX - 3V is tailored for budget-conscious consumers who still want quality and efficiency. With a straightforward interface and essential functions, this model provides reliable performance without extra frills. Its durable construction and efficient energy use make it a smart investment for any home.

Collectively, the Kenmore KWX series models encapsulate a range of features and technologies that cater to diverse needs, from high-capacity cleaning to energy efficiency, making them a great addition to any modern kitchen.
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