Skip to content
KONGRAPrecision in service
KONGRA LLC · Foodservice

Restaurant Equipment Repair & Diagnostics in San Jose & Bay Area

One independent diagnostic contact for the hot line, cold side, warewashing and prep equipment that keeps a restaurant open — serving San Jose, Los Gatos and surrounding Bay Area communities.

Approach

How KONGRA approaches the diagnostic

Most restaurants juggle several vendors: one for the ovens, another for refrigeration, another for the dishmachine. KONGRA works as a single technical contact across those systems, which shortens the time between a failure and a clear answer.

When more than one machine is down, the useful first step is ranking them rather than fixing them in the order they were reported. Food-safety items come first — anything holding product at temperature, plus warewashing that has stopped sanitizing. Next come the pieces that close a station outright, such as the only fryer or the only oven on a menu built around it. Redundant equipment, cosmetic faults and comfort items are handled last, and are often better folded into a planned visit than into an emergency one.

Coordination matters as much as the ranking. Before a visit we confirm who on site can authorize work, which equipment can be powered down and when, whether a hood or gas shutoff is needed, and what the service window looks like around prep and service. KONGRA does not publish a guaranteed response time — availability is confirmed by phone for the actual day — but the sequence of work is agreed in advance so a single visit covers as much of the list as access allows.

Every visit starts as a paid diagnostic with instruments: measured temperatures, electrical readings, control and sensor behavior, and a check of the installation conditions around the equipment. An estimate follows the inspection, not the phone call.

Where a repair falls outside KONGRA's legal scope — certain gas, refrigerant or electrical work — the work is coordinated with properly licensed independent contractors rather than improvised.

For operators, the practical output is documentation: what was found, what it will cost, what can wait, and what is likely to fail next. For multi-unit and San Jose–area operators, that record is what makes the next capital decision straightforward.

Common issues

Problems we diagnose

Oven or range not heating
Fryer ignition problems
Walk-in running warm
Reach-in temperature swing
Dishmachine not sanitizing
Ice machine low production
Mixer or prep equipment fault
Repeat breakdowns on one unit
Coverage

Equipment and diagnostic themes

Systems we cover

  • Hot line: ovens, ranges, fryers, griddles
  • Combi and rapid-cook ovens
  • Commercial refrigeration and freezers
  • Walk-in coolers and freezers
  • Ice machines
  • Warewashing / dishmachines
  • Food preparation equipment
  • Bakery and dough equipment

What a visit includes

  • Paid on-site diagnostic with instruments
  • Measured performance vs. set point
  • Electrical, control and sensor checks
  • Installation and airflow conditions
  • Written findings and options
  • Estimate after inspection
  • Parts sourcing, including special order
  • Preventive recommendations

Special-order parts may require a deposit. Regulated work is performed within KONGRA's legal scope or coordinated with properly licensed independent contractors.

Related services

Reviews

Read customer reviews

FAQ

Frequently asked questions

Do you cover a whole restaurant kitchen or single machines?+

Both. KONGRA services individual pieces of equipment and also acts as a single diagnostic contact across the hot line, cold side, warewashing and prep equipment.

How fast can you come out?+

Response depends on the day's schedule and your location in the service area. Call for the current availability — we do not promise a fixed response window on the website.

Do you provide documentation for accounting or landlords?+

Yes. Invoices and written findings are provided, and W-9 or certificate of insurance documentation is available on request through Contact.