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Burning or Hot Electrical Smell From an Ice Machine

An ice machine burning smell may be sharp hot plastic near the control box, a scorched-dust smell from the condenser grille on a hot afternoon, or a smell like a hot wire from the cord and its plug behind the bin.

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  • Clear the area first
  • 5 questions that narrow it
  • 6 causes, cheapest first

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Gas smell? Everyone out, no switches. No gas: close the water, breaker off at a dry panel

With a hot electrical or plastic smell the machine stays off at the breaker until someone has checked it, and smoke or flame means everyone out and a call to 911. A brief whiff of scorched dust that is gone in minutes is a reason to book a condenser cleaning, not a rush.

What it
usually means.

An ice machine carries a compressor that starts and stops dozens of times a day, one or more condenser fan motors, a water pump, an inlet valve coil, a hot gas valve and a control board, all in a cabinet that sits in the warmest, dampest corner of a bar or kitchen. Heat and moisture are hard on wiring. A condenser caked with grease and lint runs the compressor hot for hours, a fan motor with dry bearings overheats before it seizes, and a loose terminal on the compressor or at the plug arcs every time the machine starts. Some smells are harmless: dust burning off a fan the first warm day of the year, or a new machine's first hours. A smell that sharpens, returns with every start, or comes with a buzz, a click from the compressor that repeats, a warm plug or discolored socket is an electrical failure in progress, and it only gets worse if the machine keeps cycling. Switch the circuit off at the breaker, not with the machine's own switch, and leave the panels on.

A technician in a plain gray work shirt stands beside a stainless modular ice machine on its ice bin in a restaurant back-of-house, holding a small notepad and looking at a handful of clear square ice cubes in a plain stainless scoop, the ice bin door open behind the scoop, the ice machine's front panel in place. The 6 causes, cheapest first

Answer these first

01

Does the smell come from the front grille, the back of the unit, the control box area, or the plug and outlet?

02

Is it hot plastic, scorched dust, or something like an electric motor running hot?

03

Does it come and go with the compressor starting, or is it there all the time?

04

Is the plug, the outlet or the cord warm, brown or melted at the prongs?

05

Is the room itself very hot, or has grease or lint been building up on the condenser grille?

Check these
before you book.

Ice machine burning smell: 5 checks, and none of them costs anything.

01

Switch the ice machine's circuit off at the breaker, not only with its own switch.

02

If there is smoke, a flame or the smell keeps growing with the power off, get everyone out and call 911.

03

Leave every panel and the control box cover in place and let the machine cool with the power off.

Also worth checking

  • Once the power is off, look without touching at the plug and outlet for browning or melted plastic, and keep it unplugged if you see any.
  • Note what the machine was doing when the smell began, how hot the room was, and photograph the data plate for the visit.

The causes,
cheapest first.

6 things burning or hot electrical smell from an ice machine turns out to be, from dust or grease burning off a condenser or fan to a control board or transformer overheating.

The cost guide
  1. 01 no repair

    Dust or grease burning off a condenser or fan

    A layer of lint or cooking grease on the condenser warms up and smells scorched on the first hot day. If the smell fades within minutes and never returns, the fins still need cleaning before summer.

  2. 02 lowest

    A worn or loose plug, cord or outlet

    A machine that is pulled out and pushed back for cleaning works its plug loose, and a loose contact heats up. A cord or outlet that shows browning is replaced, and the circuit checked.

  3. 03 low to moderate

    An overheating condenser fan motor

    In a hot back room the fan motor runs almost nonstop, and dry bearings make it labor until its winding overheats. A motor near the end smells hot before it stops turning.

  4. 04 low to moderate

    A pump or valve coil burning out

    The water pump and the inlet and hot gas valve coils are small parts that fail with heat and scale. A burned coil has a distinct smell and often leaves the machine stuck in one step of the cycle.

  5. 05 moderate

    Start components or a terminal arcing at the compressor

    The start relay, capacitor and terminal block take a jolt at every start. A loose or pitted terminal arcs and scorches its insulation; left running, it can damage the compressor itself.

  6. 06 moderate to highest

    A control board or transformer overheating

    Moisture creeping into the control box, or a failing component on the board, shows up as a hot electronic smell and often a machine that stops mid-cycle. The board is tested on site before anything is replaced.

The makes
it happens on.

20 makes on this site; burning or hot electrical smell from an ice machine can show up on any of them. Each mark opens that make's own page.

All 20 brands

Burning or Hot Electrical Smell From an Ice Machine,
where we come out.

9 metros, each with its own page.

All service areas
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Questions about
burning or hot electrical smell from an ice machine.

The ice machine smelled hot only on the first warm day. Should we worry?
Dust and grease on the condenser often smell as they warm up. If it fades in minutes and does not return, book a condenser cleaning; if it comes back with each start, switch the circuit off.
Is it safe to run the ice machine for the evening service and call tomorrow?
Not with an electrical smell. A loose terminal or a failing motor gets hotter every time the machine starts, and a busy night means many starts.
Why did the plug of the ice machine turn brown?
A loose or worn contact heats up under the compressor's start current. The plug, the outlet and the circuit all need to be looked at before the machine runs again.
Could a burning smell from an R-290 ice machine be the gas?
R-290 smells of nothing much on its own and is not the scorched smell of a motor. If you hear a hiss or smell gas, follow the gas page instead: no switches, no flame, leave.

Back to your everyday

Still seeing burning or hot electrical smell from an ice machine?

Book with what you checked above — 5 answers save the technician the first part of the visit.

(844) 410-9163 Schedule a repair