Hoshizaki E3: an HPR prep table defrost ran past an hour
On HPR prep tables the display normally shows dF during defrost.
Mon–Sat, 8am–8pm
- Compressor and cooling
- Walk-in cooler repair
- Source: Hoshizaki
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What E3
actually means.
On HPR prep tables the display normally shows dF during defrost. If the coil has not warmed enough to end defrost within an hour, the control stops the defrost itself and raises E3, which may alternate with dF instead of the temperature. The usual suspects are the defrost heater and the defrost thermistor.
Hoshizaki commercial appliance display
What to do when E3 shows on the commercial applianceKind of codeCompressor and cooling
The unit is running but not moving heat out of the box the way it should. On a walk-in that is often a condensing unit on the roof choking on cottonwood or grease, a condenser fan that stopped, an evaporator fan or defrost heater that failed so the coil iced solid, or a slow refrigerant leak; a reach-in adds a door gasket or heater that lets warm air in. Cleaning the condenser face with the power off and checking that the doors close are fair first steps; the refrigerant circuit, the compressor and every line stay with a technician.
Usually leads toWalk-in cooler repair
Walk-in coolers and freezers back to temperature: evaporators, fans, defrost, drain heaters, condensing units and doors.
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 E3 on its commercial appliances. Follow it to the end: the last card says whether this is a visit.
Turn the prep table off and back on, as Hoshizaki's table directs.
Watch whether the display returns to a temperature or goes back to dF and E3.
Check the cabinet with a thermometer over the next hour.
Book a visit so the defrost heater and defrost thermistor can be tested.
What not to do
dF by itself is the normal defrost display and only becomes a concern when E3 appears with it. E3 is not a warm-cabinet alarm, though a coil that never clears its ice will eventually let the cabinet warm.
What you may
notice with it.
The commercial appliance problems E3 tends to arrive with. Answer these at the commercial appliance before anyone is booked.
All problems
Where E3 usually leads
Walk-in cooler repair.
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
In Hoshizaki's own words
Cabinet defrost has taken longer than 1 hour. The control board has terminated defrost.
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 E3 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 areasTampa BayFL · 31 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
Questions
about E3.
Can I clear E3 myself?
Why does my HPR show E3 and dF back and forth?
Does E3 mean the HPR prep table stopped cooling?
Will E3 return after a restart?
Back to your everyday
Still showing E3?
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.