Manitowoc E04: condenser running too hot
Indigo boards watch the temperature of the liquid line.
Mon–Sat, 8am–8pm
- Condenser and airflow
- Ice machine condenser and fan repair
- Source: Manitowoc
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What E04
actually means.
Indigo boards watch the temperature of the liquid line. On an air-cooled head a high reading usually means blocked airflow: a clogged filter, a dirty coil, a failed fan or hot air recirculating from a wall. On a water-cooled head it points to low condenser water flow or a regulating valve set wrong.
Manitowoc ice machine display
What to do when E04 shows on the ice machineKind of codeCondenser and airflow
The machine could not shed its heat. An air filter packed with lint, a condenser coil furred with grease and dust, a fan motor that no longer spins, a machine pushed into a hot corner without its clearance, a water-cooled condenser whose regulating valve starves it, or a remote condenser on a roof blocked by leaves all show up here. Washing the air filter and freeing the space around the machine clears many cases; a fan motor or a valve means a visit.
Usually leads toIce machine condenser and fan repair
Air-cooled coils, fan motors and filters, water-cooled regulating valves and rooftop remote condensers, cleaned or repaired so the ice machine can shed its heat.
Shows up asIce Machine Error Code or Flashing Light: What It Is Telling You
An ice machine error code may show as a number on a small display, a pattern of blinking lights on the control board, a colored light on the front, or a machine that stops with one indicator flashing.
MakeManitowoc
With a Manitowoc ice machine, the technician notes what the controls report and checks the bin control before opening the cycle for testing.
SourceManitowoc Indigo Series air, water and remote condenser ice machines technician's handbook (Part Number 000014794)
Indigo E-board and G-board heads; the display text reads Hi Cnd Temp or Wtr Cnd, and G-board firmware 4.017 alerts only after 10 trips in a row.
Before you book,
in this order.
Each step comes from Manitowoc's own guidance for E04 on its ice machines. Follow it to the end: the last card says whether this is a visit.
Clean the washable air filter in front of the condenser if your model has one, and clear boxes or bags away from the grille.
Make sure hot exhaust from nearby equipment is not blowing into the head's air intake.
On a water-cooled head, confirm the water supply valve to the condenser is fully open.
If E04 returns after the filter and airflow are clear, book a visit for the fan, the coil and the water regulating valve.
Still there?
It usually turns into ice machine condenser and fan repair. Book with the code and the model number.
What not to do
E04 is not the high pressure switch opening; that is E05, although both often share a dirty condenser as the cause. It also does not report a sealed-system leak by itself.
What you may
notice with it.
The ice machine problems E04 tends to arrive with. Answer these at the ice machine before anyone is booked.
All problems
Where E04 usually leads
Ice machine condenser and fan repair.
Manitowoc
ice machines.
With a Manitowoc ice machine, the technician notes what the controls report and checks the bin control before opening the cycle for testing.
Manitowoc ice machine repairMore Manitowoc codes
All 15 Manitowoc codesCondenser and airflow on other makes
All 10 codes of this kind
Modular ice machine
An ice-making head set on top of a separate storage bin or drink dispenser, cooled by air, water or a condenser on the roof, turning out hundreds of pounds of cubes a day.
Undercounter ice machine
A self-contained ice machine that makes and stores its own ice under a bar, a service counter or a kitchen island, from commercial units to clear-ice models in large homes.
Nugget ice machine
An ice machine that freezes a thin layer inside a chilled cylinder and pushes it out with an auger as soft, chewable nuggets, for clinics, offices, hotels and large homes.
In Manitowoc's own words
E04 High Condenser Temperature
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Indigo E-board and G-board heads; the display text reads Hi Cnd Temp or Wtr Cnd, and G-board firmware 4.017 alerts only after 10 trips in a row.
Manitowoc E04 ice machine 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 E04.
Can I clear E04 myself?
How often should the condenser be cleaned on a Manitowoc air-cooled head?
Can E04 show up on a Manitowoc with a remote condenser?
Is it safe to keep using ice while E04 is showing?
Back to your everyday
Still showing E04?
A booking with a code goes further when it carries the light or code copied as it appeared, the model and serial off the data plate, and a word on whether cubes still fall into the bin. With those three in hand, our office can match the probable part to your machine the same afternoon.