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A stainless sandwich prep table on a restaurant line, the prep table's lid raised over a row of covered food pans, a probe thermometer standing in one pan, nobody at the table.

Hoshizaki E1: an older HPR prep table has run warm

HPR46A, HPR72A and HPR100A prep tables use an earlier control with two-character codes that alternate with the temperature.

(844) 571-4566

Mon–Sat, 8am–8pm

  • Temperature and alarms
  • Reach-in and prep table repair
  • Source: Hoshizaki

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

What E1
actually means.

HPR46A, HPR72A and HPR100A prep tables use an earlier control with two-character codes that alternate with the temperature. E1 is its cabinet high-temperature alarm: 18°F over the setpoint for longer than the set delay. It clears on its own when the cabinet returns to range.

Hoshizaki commercial appliance display

What to do when E1 shows on the commercial appliance

Kind of codeTemperature and alarms

The controller has seen a temperature outside the band it was set for and is saying so: a box above its alarm point, a fryer vat or an oven cavity that tripped its high-limit, or a dish machine rinse that never came up to heat. Often the cause sits outside the unit, such as a door left open during a delivery, a coil packed with grease, a kitchen far hotter than the maker allows or a booster fed cold water. Checking the door, the coil and the air around the unit is fair; move the product if a cold box stays above 41°F, and book the visit.

Usually leads toReach-in and prep table repair

Reach-ins, pass-throughs, prep tables and blast chillers: gaskets, hinges, fans, thermostats, condensers and compressors.

Shows up asCommercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

A commercial appliance error code appears as letters or numbers on a combi, fryer, reach-in controller, dish machine or laundry machine display, or as a flashing light or an alarm tone.

MakeHoshizaki

On a Hoshizaki cold cabinet in a restaurant, the tech first finds out when the last good temperature was written on the log.

SourceHoshizaki HPR46A, HPR72A and HPR100A prep table service manual (archived copy of the Hoshizaki America PDF)

Older Hoshizaki HPR46A, HPR72A and HPR100A prep tables with raised rails, which use a two-character control different from the Steelheart display.

Before you book,
in this order.

Each step comes from Hoshizaki's own guidance for E1 on its commercial appliances. Follow it to the end: the last card says whether this is a visit.

01

Check the cabinet and the rail pans with a probe thermometer and move anything above 41°F.

02

Close the doors and drawers fully and keep the rail lid down between orders.

03

Clean the condenser air filter if it is dusty, as Hoshizaki's table advises.

04

Book a visit if the temperature does not start falling within an hour.

Still there?

It usually turns into reach-in and prep table repair. Book with the code and the model number.

What not to do

E1 on an HPR is not the E01 sensor code of the newer Steelheart control, even though the two look alike. The alarm reads the cabinet only; the rail is not part of it.

What you may
notice with it.

The commercial appliance problems E1 tends to arrive with. Answer these at the commercial appliance before anyone is booked.

All problems

Before you call

Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

All 8 causes, cheapest first

It also comes with

Close view of the dark touch control panel on the front of a stainless combi oven in a commercial kitchen, one abstract amber warning indicator glowing among unlit icons, the steam-fogged glass door blurred beside it. Problem

Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

8 causes, cheapest first

Where E1 usually leads

Reach-in and prep table repair.

Reach-in, pass-through or prep table gasket, hinge, fan motor, thermostat or controller, defrost heater, leak repair or compressor · moderate.
Book a visit What the job involves

Hoshizaki
commercial appliances.

On a Hoshizaki cold cabinet in a restaurant, the tech first finds out when the last good temperature was written on the log.

Hoshizaki commercial appliance repair

More Hoshizaki codes

dorE01E02HiLoUHiULoE3E7

Temperature and alarms on other makes

Alto-Shaam E13Beverage-Air HiBlodgett Cavity High Temp ErrorCleveland RESET lightContinental Refrigerator HIDelfield HiFrymaster E16Garland E04
All 69 codes of this kind
A row of three stainless steel reach-in cabinets with solid doors along the wall of a working restaurant kitchen, the reach-ins clearly the subject, one door open showing sheet pans of prepped vegetables on wire shelves, a walk-in cooler door with a clear strip curtain visible at the far end, a cook seen only from behind in a white jacket passing in the soft background, bright even kitchen light. Hoshizaki builds this

Commercial cold storage

Reach-in and pass-through cabinets, walk-in coolers and walk-in freezers, prep and sandwich tables, undercounter units and blast chillers that hold a kitchen's food at safe temperatures.

In Hoshizaki's own words

Cabinet temperature has exceeded the setpoint temperature by 18°F (10°C)
Hoshizaki HPR46A, HPR72A and HPR100A prep table service manual (archived copy of the Hoshizaki America PDF) Hoshizaki HPR46A, HPR72A and HPR100A prep table service manual (archived copy of the Hoshizaki America PDF)

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Older Hoshizaki HPR46A, HPR72A and HPR100A prep tables with raised rails, which use a two-character control different from the Steelheart display.

Hoshizaki E1 commercial appliance repair,
where we come out.

The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

A restaurant team working a busy commercial kitchen line.
For the heart of your home.

Questions
about E1.

Can I clear E1 myself?
Check the cabinet and the rail pans with a probe thermometer and move anything above 41°F. If it comes back, it needs a visit.
How long does an HPR prep table wait before showing E1?
Two hours by default. The delay can be set from none to three hours in the service menu, so a table that shows E1 quickly may simply have a shorter setting.
Does E1 on an HPR mean the rail is warm too?
Not by itself, since the alarm reads the cabinet. Check the rail pans anyway, because a dirty condenser warms both.
Is an HPR prep table too old to repair after E1?
Age alone does not decide it. Clean the condenser filter first; if E1 returns, a technician can tell whether the cause is a small part or the sealed system.

Back to your everyday

Still showing E1?

A booking with a code goes further when it has the code as shown, the model and serial from the data plate, and a word on whether the unit still holds temperature, heats, rinses or spins. With those three, the office can match the likely part to your unit the same day.

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(844) 571-4566 Schedule a repair