True E28: the water pump check failed at startup
When the circulation pump starts, it lifts water from the sump to the evaporator and the level should drop quickly.
Mon–Sat, 8am–8pm
- Water supply
- Ice machine water valve and filter repair
- Source: True Residential
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Three short steps, about a minute.
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What E28
actually means.
When the circulation pump starts, it lifts water from the sump to the evaporator and the level should drop quickly. If it does not, the control logs E28, and True points to the pump's power and to an inlet valve that keeps filling.
True Residential ice machine display
What to do when E28 shows on the ice machineKind of codeWater supply
The water side came up short: the trough did not fill in the time allowed, the float or level probe never saw water, or water kept flowing when the inlet valve should have closed. A supply valve left partly shut, a clogged filter cartridge, low building pressure or a sticking inlet valve are the usual causes. Opening the valve fully and fitting a fresh filter clears the simple cases; a valve that hums without passing water is a visit.
Usually leads toIce machine water valve and filter repair
The inlet valve, filter, sump float or level probe and supply line, tested and replaced when water arrives short, dirty or nonstop.
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.
MakeTrue Residential
True ice machine visits begin with the installation: the supply, the drain fall and the clearance the machine needs to cool.
SourceTrue Ice TCIM modular ice machine service manual (TEC_TM_198 Rev A)
True Ice TCIM air-cooled modular heads (TCIM-422 to TCIM-830), touchscreen control; the code shows on the active alarm screen and stays in the alarm log.
Before you book,
in this order.
Each step comes from True Residential's own guidance for E28 on its ice machines. Follow it to the end: the last card says whether this is a visit.
Turn the head off and back on at the touchscreen and listen for the pump starting.
Watch whether water keeps running into the sump after the fill should have stopped.
Book a visit if E28 returns; the pump voltage and the inlet valve need testing.
Still there?
It usually turns into ice machine water valve and filter repair. Book with the code and the model number.
What not to do
E28 is not a drain pump alarm; this machine drains through a drain valve, and a slow drain is E25. It is checked only at startup, so a pump that fails later in the day may show up as a freeze or harvest alarm instead.
What you may
notice with it.
The ice machine problems E28 tends to arrive with. Answer these at the ice machine before anyone is booked.
All problems
Where E28 usually leads
Ice machine water valve and filter repair.
True Residential
ice machines.
True ice machine visits begin with the installation: the supply, the drain fall and the clearance the machine needs to cool.
True Residential ice machine repairMore True Residential codes
All 15 True Residential codesWater supply on other makes
In True Residential's own words
ALARM Pump Motor
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. True Ice TCIM air-cooled modular heads (TCIM-422 to TCIM-830), touchscreen control; the code shows on the active alarm screen and stays in the alarm log.
True Residential E28 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 E28.
Can I clear E28 myself?
How can an inlet valve cause a pump alarm on a True?
Does E28 mean my True needs a new pump?
Can scale cause E28?
Back to your everyday
Still showing E28?
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.