

Follett HI PRESSURE: the ice machine shut down because it could not shed heat
The head pressure on a Follett climbs when the condenser cannot get rid of heat: a clogged grille, a fan that is not turning, a hot room or exhaust air circling back into the intake.
Mon–Sat, 8am–8pm
- Condenser and airflow
- Ice machine condenser and fan repair
- Source: Follett
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What HI PRESSURE
actually means.
The head pressure on a Follett climbs when the condenser cannot get rid of heat: a clogged grille, a fan that is not turning, a hot room or exhaust air circling back into the intake. Above 425 psi the board shuts down; after the delay, and once pressure is back below 295 psi, it restarts on its own.
Follett ice machine display · also shown as HIGH PRESSURE, HI PRESSURE + TIME DELAY
What to do when HI PRESSURE 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.
MakeFollett
A Follett visit weighs how chewable ice is made and moved to the bin or the dispenser before looking at any single part.
SourceFollett Horizon Elite D710A installation, operation and service manual
Horizon Elite and Maestro Plus boards; the Maestro Plus manual describes the same 425 psi trip and 295 psi reset.
Before you book,
in this order.
Each step comes from Follett's own guidance for HI PRESSURE on its ice machines. Follow it to the end: the last card says whether this is a visit.
Clear anything stacked against the front or back grilles; air-cooled heads need about 18 inches between discharge and intake.
Vacuum or brush the condenser grille, which Follett asks for monthly on air-cooled machines.
Check the room temperature; Follett wants it below 100 F.
If HI PRESSURE returns with clean grilles and a cool room, book a visit to check the fan and the condenser.
Still there?
It usually turns into ice machine condenser and fan repair. Book with the code and the model number.
What not to do
HI PRESSURE is not a water problem and turning the water supply off and on will not affect it. It is also not HI AMPS, which is the auger motor rather than the condenser.
What you may
notice with it.
The ice machine problems HI PRESSURE tends to arrive with. Answer these at the ice machine before anyone is booked.
All problemsWhere HI PRESSURE usually leads
Ice machine condenser and fan repair.
Follett
ice machines.
A Follett visit weighs how chewable ice is made and moved to the bin or the dispenser before looking at any single part.
Follett ice machine repairMore Follett codes
Condenser and airflow on other makes
All 11 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 Follett's own words
Should the refrigeration pressure rise above 425 psi, the machine will shut down and the TIME DELAY and HIGH PRESSURE will be illuminated.
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Horizon Elite and Maestro Plus boards; the Maestro Plus manual describes the same 425 psi trip and 295 psi reset.
Follett HI PRESSURE 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 HI PRESSURE.
Can I clear HI PRESSURE myself?
Why does my Follett show HI PRESSURE only in summer?
How often should I clean the condenser on a Follett ice machine?
Does a water-cooled Follett show HI PRESSURE too?
Back to your everyday
Still showing HI PRESSURE?
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.