General Things to Look for:

Are hinges, handles, knobs, grates, etc. all in good condition?

Does the gas fired equipment burn a steady blue flame?

Are motors noisy or don't turn at all?

Are temperatures with +/- 5° of the desired setting?

Are door gaskets worn or torn?

Is water feed equipment de-limed on a periodic basis?

Is hood system operating?

Are hood filters clean?

Is fire suppression system operational?

Has fire suppression system been inspected recently?

Are all utilities confirmed on and resets checked?

When a technician diagnoses your equipment, take the time to be shown the problem and cause.

Things to Avoid:

Hosing down equipment

Neglecting filter changes

Improper application or use

Operating equipment with frayed, burn power cords or exposed wiring

Operating any equipment without knowing proper operation & use as outlined in the owners manual