Bosch HMB57152UC - User Manual

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Overview

Function Description
Usage Features
Maintenance Features

This document is a Use and Care Manual for a Bosch Built-In Microwave Oven, covering models HMB57152UC, HMB50152UC, and HMB50162UC. It provides comprehensive instructions for safe operation, cooking, and maintenance of the appliance.

Function Description

The Bosch Built-In Microwave Oven is designed for heating, cooking, and drying food in a normal family household setting. It is not intended for industrial or laboratory use. The appliance operates using ISM frequency energy and is equipped with a control panel and display for user interaction. It features various cooking modes, including standard microwave operation with adjustable power levels, automatic programs, and sensor cooking functions.

The microwave offers 10 different power levels, allowing users to select the appropriate intensity for various food types, from boiling water at 100% power to raising yeast dough at 10% power. The maximum power level is 10, which is the default if no specific power level is selected. Cook times can be set using number keys, and the "Microwave +30 sec" key allows for quick-starting the microwave at the highest power level or adding 30-second increments during operation.

Automatic programs simplify cooking by pre-setting optimal settings. These include:

Auto Defrost: Defrosts four different types of food (ground meat, meat pieces, poultry, and boned poultry) based on weight input, calculating the ideal defrost time. Users are advised to drain off any liquid produced during defrosting and to separate food pieces as they begin to thaw for best results.
Popcorn: Pops commercially packaged microwave popcorn bags of different sizes (1.2 oz, 2.5 oz, 3.5 oz) with specific settings for each.
Beverage: Heats 0.5 to 2 cups of beverages, with settings for 4 oz, 8 oz, 12 oz, and 16 oz.
Keep Warm: Maintains cooked foods at a hot, ready-to-serve temperature.
Melt: Melts butter or chocolate, with options for different quantities.
Soften: Softens ice cream or cream cheese, with options for various quantities.

Sensor cooking modes are a key feature, allowing the oven to automatically determine the required cooking time and power levels for specific food items without manual input. These include:

Sensor Reheat: Reheats dinner plates or casseroles (8-12 oz). The oven senses when the food is ready, and users can stir or rearrange food once the sensing is complete and the cook time is displayed.
Sensor Cook: Cooks various foods such as baked potatoes, sweet potatoes, fresh vegetables, frozen vegetables, ground meat, fish/seafood, brown rice, white rice, and frozen entrees. For optimal results with sensor cooking, food should start at normal storage temperature, containers should be dry, and food should be loosely covered with microwaveable plastic wrap, wax paper, or a lid.

The appliance also includes a Kitchen Timer function that can be used independently of cooking modes, allowing users to set a timer in hours and minutes. The last minute of the timer counts down in seconds.

A Panel Lock feature is available to prevent accidental operation, particularly useful for child safety or when cleaning the control panel. The oven also has an Automatic Shutoff function that activates if the appliance has been heating for an extended period.

Basic settings can be adjusted to customize the appliance, including weight units (LB/KG), display brightness (HI/MED/LO), volume of beeps (HI/LO), button beep sound (On/Off), clock display (On/Off), and language (English/French).

Usage Features

The microwave oven is designed for user-friendly operation with touch keys on the control panel. Each touch key produces a short beep, and an invalid input results in a long beep. The display provides clear information on current settings and prompts for required inputs, with blinking elements indicating an action is needed.

The turntable system, consisting of a glass turntable and a roller rest, ensures even cooking by rotating food during operation. It is crucial to ensure the turntable is properly installed and rotates freely.

Safety is emphasized throughout the manual, with warnings against operating the oven while empty, using corrosive chemicals, or heating sealed containers. Specific instructions are provided for cooking various items like eggs, popcorn, and foods with nonporous skins, highlighting the importance of piercing skins to prevent explosions and avoiding overheating.

For liquids, the manual warns against superheating, where liquids can heat beyond their boiling point without visible bubbling, and recommends placing a glass rod or spoon in the container to prevent delayed boiling.

Maintenance Features

Regular cleaning and maintenance are essential for the appliance's performance and safety. The manual provides a detailed cleaning guide for different parts of the oven:

Oven cavity: Should be kept clean from food particles and spilled liquids. Spills should be wiped immediately with a damp, clean cloth and mild soap. Abrasive cleaners or harsh detergents should not be used. For stubborn baked-on food, heating 2 cups of water with lemon juice can help loosen particles.
Glass turntable tray: Should be removed and washed in warm soapy water or a dishwasher. It must be allowed to cool before cleaning or placing in water.
Turntable roller rest: Clean with warm, soapy water, rinse, and dry.
Door glass: Clean with soap and water or glass cleaner, using a soft cloth or paper towel. Abrasive cleaners, powder cleaning agents, steel wool pads, and oven cleaners should be avoided. Steam accumulation on the door is normal in humid conditions and does not indicate a microwave leak.
Painted surfaces: Clean with hot soapy water or a mild detergent, using a clean sponge or paper towel.
Stainless steel surfaces: Wipe or rub in the direction of the grain with a soapy sponge, then rinse and dry. Water spots can be removed with white vinegar. Cleansers containing chlorine should not be used as they may rust the stainless steel.
Plastic & Controls: Clean with soapy water, rinse, and dry when cool. Abrasive cleaners or petroleum-based solvents should not be used.
Printed areas (words & numbers): Do not use abrasive cleaners or petroleum-based solvents.

The manual also advises against operating the oven without food in the cavity to prevent damage to the magnetron tube or glass tray. Leaving a cup of water inside the oven when not in use can help prevent accidental damage if the oven is turned on empty.

Troubleshooting tips are provided for common issues such as the microwave not operating, power interruptions, sparks or arcing, and turntable noises, guiding users to check basic connections, door closure, and proper utensil use before contacting customer service.