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SOZT Ice Maker Manual, Error Codes and Support

No downloads, no service network — but the model code on the rating plate gets you most of the way there.

There is no SOZT manual to download

SOZT publishes no manuals. There is no support site, no PDF linked from any listing, and no downloads section — the manual ships in the box and that is the whole of it. Every one of the 30 listings in this catalogue is an Amazon listing and nothing else, which means the bullets, the attribute table and the photographs are the only public specification that exists.

That is why every product page on this site reproduces the full attribute table off the listing rather than summarising it: if your manual has gone, the listing is the document you have left. Where a model number exists we print it, because it is the one identifier a seller will recognise.

Find your model number

Three identifiers matter, and people mix them up. The model code is the short alphanumeric on the rating plate — SOZT writes them as SDZ45, LMES108, WQJR-T50 and so on, and 20 of the 30 listings carry one. The ASIN is Amazon's identifier, ten characters beginning B0, and it is the one that takes you back to the exact listing. The third is the fulfilment SKU that sometimes appears in Amazon's own attribute table — values like FBA-ice shovel-ST — and that one is not a model number at all; quoting it will confuse a seller rather than help.

Find your model number and its numbers

Pick your machine. The model code is what to quote to the seller; the ASIN is what gets you back to the exact listing.

Error codes

SOZT does not publish a code list either. The codes below are the standard set used across this class of commercial ice maker, and E2 is by some distance the one people search for. Treat this as orientation, not as a service manual: if the machine is in warranty, message the seller before opening anything.

CodeWhat it meansWhat to check first
E1Water supply faultThe machine is not seeing incoming water. Check the supply is on, the inlet hose is not kinked, and the inlet filter screen is not blocked. On a plumbed unit this is usually a closed valve; on a fill-by-hand unit it is usually the float.
E2Water level / float sensorThe most-searched SOZT code. The float or level sensor is not reporting a correct level — commonly scale on the sensor, a stuck float, or a reservoir filled above the mark. Descale, check the float moves freely, and refill to the line rather than to the top.
E3High-temperature / condenserAmbient or condenser temperature out of range. Give the machine its stated clearance, clean the condenser filter, and keep it out of direct sun and away from an oven.
E4Ice full / harvest faultEither the bin really is full — which is normal and the machine will restart as ice is used — or the full sensor is obstructed by a bridged sheet of ice.

Troubleshooting and parts

Two things people search for that do not exist as such. SOZT publishes no troubleshooting guide — the codes above are the standard set for this class of machine, not a SOZT document. And SOZT sells no spare parts: there is no parts listing, no filter, no pump, no water inlet valve sold separately anywhere in the catalogue. On a machine at this price the practical position is that a failure inside the warranty is a replacement and a failure outside it is the end of the machine. Buy accordingly, and keep the box and the ASIN.

When it stops making ice

Before assuming a fault, check the two things that are not faults. A full bin stops production, by design — the machine restarts when ice is taken out. And the bin is insulated, not refrigerated, so ice sitting in it melts, the meltwater is recycled, and the machine appears to run without the level rising. Neither is a defect.

How long each machine runs before the bin is full
Countertop Nugget Ice Maker…: 2 hCountertop Nugget Ice Maker…2 h5 lb bin / 60 lbs a dayUnder Counter Ice Maker…: 4.8 hUnder Counter Ice Maker…4.8 h20 lb bin / 100 lbs a dayUnder Counter Ice Maker…: 4.8 hUnder Counter Ice Maker…4.8 h20 lb bin / 100 lbs a dayNugget Ice Maker Machine…: 4.8 hNugget Ice Maker Machine…4.8 h20 lb bin / 100 lbs a dayUnder Counter Ice Maker…: 5 hUnder Counter Ice Maker…5 h25 lb bin / 120 lbs a dayCommercial Ice Maker Machine…: 5.3 hCommercial Ice Maker Machine…5.3 h80 lb bin / 360 lbs a dayNugget Ice Maker Machine…: 6 hNugget Ice Maker Machine…6 h25 lb bin / 100 lbs a dayUnder Counter Ice Maker…: 6 hUnder Counter Ice Maker…6 h25 lb bin / 100 lbs a dayNugget Ice Maker Machine…: 6 hNugget Ice Maker Machine…6 h25 lb bin / 100 lbs a dayNugget Ice Maker – 40 lbs/Day…: 6 hNugget Ice Maker – 40 lbs/Day…6 h10 lb bin / 40 lbs a dayHigh-Efficiency Commercial…: 6 hHigh-Efficiency Commercial…6 h25 lb bin / 100 lbs a day130LBS/24H Commercial Ice…: 6.5 h130LBS/24H Commercial Ice…6.5 h35 lb bin / 130 lbs a day100LBS/24H High Output…: 7.2 h100LBS/24H High Output…7.2 h30 lb bin / 100 lbs a dayCommercial Ice Maker Machine…: 7.2 hCommercial Ice Maker Machine…7.2 h75 lb bin / 250 lbs a dayIce Maker Machine Commercial…: 7.6 hIce Maker Machine Commercial…7.6 h35 lb bin / 110 lbs a dayCommercial Ice Maker Machine…: 12.9 hCommercial Ice Maker Machine…12.9 h350 lb bin / 650 lbs a day
Bin capacity divided by the rated hourly output. A full bin pauses production, so this is how much ice you get in one go if nobody is taking any out — a very different number from the one on the box.

After that, the usual order is: supply water on and unobstructed; inlet filter clean; condenser filter clean and the machine given its stated clearance; then descale, because scale on the evaporator and on the level sensor causes both thin ice and phantom error codes, and hard water brings it on fast.

Warranty and getting hold of SOZT

SOZT sells through Amazon only — there is no SOZT web shop and no service network. In practice that means:

Be sceptical of any SOZT phone number or postal address that is not on its Amazon listing. No verified corporate contact is published anywhere else, and a support line for a brand with no corporate presence is a common shape for a scam.

Every SOZT machine and its numbers

The whole SOZT range

Sort by output or bin size, filter by line, or search for a model code.

ProductLineModelIce/24h (lb)Bin (lb)RatingRatingsAvailability
Commercial Ice Maker Machine 650LBS/24H with 350LBS…Commercial ice makersFTM18Q26503505.0★In stock
Commercial Ice Maker Machine - 500 lb/24 Hours High…Commercial ice makersLMF360500Out of stock
450Lbs/24H Under Counter Commercial Ice Machine…Under-counter ice makersWQESH1624502.4★2In stock
Commercial Ice Maker Machine 360LBS/24H, 80LBS…Commercial ice makersLM126360804.4★25In stock
Commercial Ice Maker Machine 300LBS/24H, 75LBS…Commercial ice makersLMES108300753.7★8Out of stock
Commercial Ice Maker Machine – 250 Lbs/24H, 75 Lbs…Commercial ice makersLMES80250754.1★In stock
160LBS/24H High Output - Commercial Ice Maker…Under-counter ice makersWQJR-CL55160355.0★1Out of stock
Commercial Ice Maker Machine 150LBS/24H, 45LBS…Commercial ice makersLMC55150453.2★4Out of stock
130LBS/24H Commercial Ice Maker Machine with 35LBS…Under-counter ice makersSDZ45130352.8★3In stock
Under Counter Ice Maker, 120LBS/24H Commercial Ice…Under-counter ice makersWQJR-T501204.1★36In stock
Under Counter Ice Maker Machine - 120 LBS/Day…Under-counter ice makersY40FA120253.0★4In stock
120LBS/24H + 40 Cubes/12-18 Mins 15" Commercial Ice…Under-counter ice makersLMB40120301.7★3Out of stock
120LBS/24H High Output - Commercial Under Counter…Under-counter ice makersLMHK361204.0★1In stock
15" Wide Commercial Under Counter Ice Maker – 120…Under-counter ice makersYR40120253.9★Out of stock
Ice Maker Machine Commercial, 110LBS/24H with 35LBS…Under-counter ice makersASK4F0110354.3★In stock
Nugget Ice Maker Machine, 100LBS/24H, 25LBS CapacityNugget ice makers—100254.1★58In stock
Under Counter Ice Maker Machine, 100LBS/24H, 20LBS…Under-counter ice makers—100204.1★58In stock
Under Counter Ice Maker Machine, 100LBS/24H, 20LBS…Under-counter ice makersSLM36T100204.0★30In stock
Nugget Ice Maker Machine, 100LBS/24H, 20LBS CapacityNugget ice makers—100203.6★29In stock
Under Counter Ice Maker, Gourmet Ice, 100LBS/24H…Under-counter ice makers—100254.5★21In stock
Nugget Ice Maker Machine, 100LBS/24H, 25LBS CapacityNugget ice makers—100252.7★18In stock
100LBS/24H High Output - Commercial Under Counter…Under-counter ice makersBLM36100303.7★7In stock
High-Efficiency Commercial Ice Maker: 100 lbs Daily…Under-counter ice makersSDZ36100253.7★5In stock
Countertop Nugget Ice Maker with Water Dispenser –…Nugget ice makersBS30JW6052.7★2In stock
Nugget Ice Maker – 40 lbs/Day Countertop Ice…Nugget ice makersJRKL2540102.3★7In stock
Slush Machine & Ice Cream Maker Machine 2-IN-1Slush & ice cream machines—4.4★132In stock
2" Ice Ball Maker Countertop, 4Pcs Ready in 40Mins…Ice ball makers—4.4★33In stock
Ultimate Commercial Slushy Machine – 12X3 Tank…Slush & ice cream machines—4.3★32In stock
2-IN-1 Slush Machine & Ice Cream Maker Machine, 6…Slush & ice cream machines—4.0★12Out of stock
30 Inch Under Cabinet Range HoodRange hoods—4.4★In stock

More on the brand behind these machines in Is SOZT a Good Brand? What the Ratings Actually Show.

Written from SOZT's own Amazon listings. Availability last checked 2026-09-08; every figure is rebuilt from the listings rather than typed in.

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