Paid diagnostic · Estimate after inspection
K
KONGRA
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.

Independent service. KONGRA LLC is not affiliated with, endorsed by, or authorized by these manufacturers. Brand names are used only to identify equipment we service.

Related services

Reviews

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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.

Are you an authorized service agent?+

No. KONGRA LLC is an independent repair company; manufacturer names are used only to identify equipment serviced.