Manitowoc E05: high pressure switch opened three times
The high pressure cutout is a safety switch on the discharge side of the sealed system.
Mon–Sat, 8am–8pm
- Condenser and airflow
- Ice machine condenser and fan repair
- Source: Manitowoc
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What E05
actually means.
The high pressure cutout is a safety switch on the discharge side of the sealed system. It opens when head pressure climbs too far, which usually follows a blocked condenser, a failed fan motor, lost condenser water, or a remote condenser that is iced, dirty or blocked. Three trips in a short span are logged as E05.
Manitowoc ice machine display
What to do when E05 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 event table; the display text is HPC. Manitowoc lists a tripping high pressure cutout with a dirty condenser coil in the Indigo NXT troubleshooting chart.
Before you book,
in this order.
Each step comes from Manitowoc's own guidance for E05 on its ice machines. Follow it to the end: the last card says whether this is a visit.
Clean the condenser air filter and make sure nothing blocks the air path around the head.
On a water-cooled head, check that the condenser water supply is on.
Do not keep restarting a head that trips repeatedly; switch it off and book a visit so the pressures can be read.
Still there?
It usually turns into ice machine condenser and fan repair. Book with the code and the model number.
What not to do
E05 does not come from a hot room alone as long as the condenser can breathe; a temperature reading on the liquid line is E04. It is not a leak signal, although an overcharged system can cause it.
What you may
notice with it.
The ice machine problems E05 tends to arrive with. Answer these at the ice machine before anyone is booked.
All problems
Where E05 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
E05 High Pressure Control Opened
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Indigo event table; the display text is HPC. Manitowoc lists a tripping high pressure cutout with a dirty condenser coil in the Indigo NXT troubleshooting chart.
Manitowoc E05 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 E05.
Can I clear E05 myself?
Why does my Manitowoc head click off and log E05 on hot afternoons?
Can I reset the high pressure switch on my Manitowoc myself?
Does E05 damage the compressor on a Manitowoc?
Back to your everyday
Still showing E05?
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.