From the Workbench
Guides, Maintenance, and Fault Codes
Plain, practical writing from the technicians who repair Sub-Zero, Wolf, and other high-end appliances across Boulder and the Front Range. Brand maintenance, real error-code explainers, and honest advice on the repairs we do most.
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General Guides
High-Altitude Cooking and Your Appliances
Boulder sits above 5,300 feet, and that elevation changes how ovens, ranges, and refrigeration…
Repair or Replace a High-End Appliance?
A clear, honest framework for deciding whether to repair or replace a built-in Sub-Zero, Wolf,…
Extending the Life of Built-In Refrigeration
Simple maintenance habits that add years to a built-in Sub-Zero or column refrigerator, from…
Genuine OEM Parts vs Aftermarket
Why the exact part number matters on a Sub-Zero, Wolf, or Miele repair, and what generic…
Seasonal Appliance Maintenance Checklist
A season-by-season maintenance checklist for high-end kitchen appliances in Boulder, covering…
By Brand
Brand Maintenance Guides
Bosch Dishwasher and Oven Maintenance
Keep a Bosch dishwasher, wall oven, or Benchmark appliance running in Boulder: filter cleaning,…
Cove Dishwasher Maintenance Guide
Keep a Cove DW24 dishwasher performing in Boulder: filter cleaning, descaling for hard water,…
Dacor Range and Oven Maintenance Guide
Maintain a Dacor range, wall oven, or cooktop in Boulder: igniter and burner care, oven…
Gaggenau Appliance Maintenance Guide
Maintain Gaggenau ovens, Vario cooktops, and column refrigeration in Boulder: filter and drain…
Jenn-Air Appliance Maintenance Guide
Maintain a Jenn-Air range, wall oven, or column refrigerator in Boulder: burner and igniter…
Kitchenaid Appliance Maintenance Guide
Maintain a KitchenAid built-in refrigerator, dishwasher, or range in Boulder: filter and…
La Cornue Range Maintenance Guide
Maintain a La Cornue Chateau or CornuFe range in Boulder: burner and igniter care, vaulted-oven…
Liebherr Refrigeration Maintenance Guide
Maintain a Liebherr Monolith column or wine cabinet in Boulder: condenser and filter care,…
Miele Dishwasher and Oven Maintenance
Maintain a Miele dishwasher, oven, or MasterCool refrigerator in Boulder: filter cleaning,…
Monogram Appliance Maintenance Guide
Maintain a Monogram column refrigerator, range, or wall oven in Boulder: condenser and filter…
Scotsman Ice Machine Maintenance Guide
Maintain a Scotsman residential ice machine in Boulder: cleaning and descaling schedules, water…
Sub-Zero Maintenance Guide
How to maintain a built-in Sub-Zero refrigerator in Boulder: condenser cleaning, gasket care,…
Thermador Appliance Maintenance Guide
Keep a Thermador range, Freedom induction cooktop, or column refrigerator running well in…
True Residential Refrigeration Maintenance
Maintain a True Residential refrigerator, wine cabinet, or column in Boulder: condenser…
Viking Range and Refrigerator Maintenance
Maintain a Viking Professional range or built-in refrigerator in Boulder: burner and igniter…
Wolf Range and Oven Maintenance Guide
Maintain a Wolf range, rangetop, or wall oven in Boulder: burner and igniter care, convection…
Diagnose It
Error and Fault-Code Explainers
Bosch Dishwasher E15 Error
The Bosch E15 error means water in the base tray tripped the anti-flood float. Here is how to…
Bosch Dishwasher E24 Error
The Bosch E24 error means the dishwasher cannot drain. Here are the real causes, from a clogged…
Cove Dishwasher Not Draining
A Cove dishwasher that will not drain usually has a clogged filter, hose, or pump. Here are the…
Cove Dishwasher Not Drying
A Cove dishwasher leaving dishes wet usually needs rinse aid or better loading, not a repair.…
Dacor Oven Error Codes
Dacor ovens display error codes for sensor, control, and door-lock faults. Here is how to read…
Dacor Range Igniter Problems
A Dacor burner that clicks but will not light usually needs cleaning, not a part. Here are the…
Gaggenau Dishwasher Not Draining
A Gaggenau dishwasher that will not drain usually has a blocked filter, hose, or pump. Here are…
Gaggenau Oven Error Codes
Gaggenau ovens display error codes for sensor, door-lock, and heating faults. Here is how to…
Jenn-Air Oven F-Codes Explained
Jenn-Air ovens show paired F-and-E codes like F2E0 and F1E1 for keypad and control faults. Here…
Jenn-Air Refrigerator Not Cooling
A Jenn-Air refrigerator that warms usually has a condenser, fan, or defrost cause. Here is how…
Kitchenaid Dishwasher Error Codes
KitchenAid dishwashers show paired F-and-E codes for drain, fill, and heating faults. Here is…
Kitchenaid Refrigerator Not Cooling
A KitchenAid refrigerator that warms usually has a condenser, fan, or defrost cause. Here is…
La Cornue Burner Not Igniting
A La Cornue burner that will not light usually needs cleaning or an igniter, not a rebuild.…
La Cornue Oven Temperature Problems
A La Cornue vaulted oven baking unevenly or off temperature usually has a seal, calibration, or…
Liebherr Refrigerator Error Codes
Liebherr refrigerators show E-codes like E0, E1, and E2 plus temperature alarms. Here is what…
Liebherr Wine Cabinet Temp Alarm
A Liebherr wine cabinet temperature alarm usually means a door seal, airflow, or sensor issue.…
Miele Dishwasher F11 Error
The Miele F11 error means a drainage fault. Here are the real causes, from a clogged filter to…
Miele Oven F-Codes Explained
Miele ovens show F-codes like F70 and F14 for water, sensor, and control faults. Here is what…
Monogram Oven F-Codes Explained
Monogram ovens use GE F-codes like F2, F3, and F7 for over-temperature, sensor, and keypad…
Monogram Refrigerator Not Cooling
A Monogram column that warms usually has a condenser, fan, or defrost cause, not a dead…
Scotsman Ice Machine Cleaning Guide
Cleaning is the maintenance that keeps a Scotsman ice machine producing. Here is how to clean…
Scotsman Ice Maker Not Making Ice
A Scotsman that stops making ice usually has a scale, water, or airflow cause. Here is how a…
Sub-Zero Ice Maker Not Working
A Sub-Zero ice maker that stops making ice usually comes down to water supply, the inlet valve,…
Sub-Zero Refrigerator Not Cooling
A Sub-Zero that warms on one side rarely needs a new compressor. Here are the real causes of a…
Thermador Oven Fault Codes (F-Codes)
Thermador ovens display F-codes like F1, F2, F3, and F7 for sensor, keypad, and control faults.…
Thermador Refrigerator Not Cooling
A Thermador column that warms usually has an airflow, fan, or defrost cause, not a dead…
True Refrigerator Not Cooling
A True Residential refrigerator that warms usually has a condenser, fan, or defrost cause. Here…
True Wine Cooler Temperature Issues
A True wine cooler that drifts off temperature usually has a seal, airflow, or sensor cause.…
Viking Oven Not Heating
A Viking oven that will not heat usually has a failed igniter, element, or sensor. Here is how…
Viking Refrigerator Not Cooling
A Viking refrigerator that warms usually has a condenser, fan, or defrost cause, not a dead…
Wolf Oven Error Codes Explained
Wolf ovens communicate through behavior and safety lockouts more than a numbered code list.…
Wolf Range Burner Not Igniting
A Wolf burner that clicks but will not light usually needs cleaning, not a part. Here are the…
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