A digital temperature display on the lid rim of a white chest freezer in a garage, flashing a warm reading, with the lid closed and nobody in the frame.

True HIGH TEMP alert: the freezer has warmed past its alarm limit

True lists HIGH TEMP among the notification alerts on its column display.

(844) 456-4651

Mon–Sat, 8am–8pm

  • Temperature and alarms
  • Freezer thermostat and temperature control repair
  • Source: True Residential

Book a visit

Three short steps, about a minute.

or call (844) 456-4651

What HIGH TEMP
actually means.

True lists HIGH TEMP among the notification alerts on its column display. On the undercounter freezers and freezer drawers, True spells out the limit: the alarm activates after one hour in a row at or above 20°F, once the alarms have been switched on.

True Residential freezer display · also shown as High temperature alarm

What to do when HIGH TEMP shows on the freezer

Before you book,
in this order.

Each step comes from True Residential's own guidance for HIGH TEMP on its freezers. Follow it to the end: the last card says whether this is a visit.

01

Check the food by hand and move anything soft to another freezer or a cooler with ice.

02

Close the door or drawer firmly and make sure the gasket seals; a door ajar alarm often comes first.

03

If HIGH TEMP returns with the door shut and no warm food loaded, book a visit.

Still there?

It usually turns into freezer thermostat and temperature control repair. Book with the code and the model number.

What not to do

HIGH TEMP is not a sensor or control code; True shows COMMUNICATION ERROR and SERVICE REQUIRED as separate alerts. It also does not mean the food is lost, since 20°F is still below freezing.

What you may
notice with it.

The freezer problems HIGH TEMP tends to arrive with. Answer these at the freezer before anyone is booked.

All problems

Where HIGH TEMP usually leads

Freezer thermostat and temperature control repair.

Thermostat, temperature sensor or garage kit · low to moderate.

In True Residential's own words

The following notification alerts may show on the display if the appliance needs attention.
True Residential column installation and operation manual, TR-24/30/36 (TEC_TM_009 Rev N) True Residential column installation and operation manual, TR-24/30/36 (TEC_TM_009 Rev N) True Residential 15 and 24-inch undercounter installation and operation manual (TEC_TM_156 Rev I) True Residential 15 and 24-inch undercounter installation and operation manual (TEC_TM_156 Rev I)

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. True freezer columns (TR-24FRZ, TR-30FRZ, TR-36FRZ, with or without ice maker) with the menu display, and True 24-inch undercounter freezers and freezer drawers (TUF-24, TUF-24D). On the undercounter models the door ajar and high temperature alarms are turned on together from the keypad.

True Residential HIGH TEMP freezer 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 areas
A parent and a child packing summer berries into bags beside an open upright freezer in a tidy garage
For the heart of your home.

Questions
about HIGH TEMP.

Can I clear HIGH TEMP myself?
Check the food by hand and move anything soft to another freezer or a cooler with ice. If it comes back, it needs a visit.
At what temperature does a True undercounter freezer alarm?
At 20°F, after the cabinet has stayed at or above it for one hour in a row. The alarm has to be switched on from the keypad first.
Can a True outdoor undercounter freezer show HIGH TEMP in summer heat?
Yes. True rates its undercounter freezers for outdoor use, but direct sun and a blocked front grille make the freezer work harder. Check both before booking a repair.
Why didn’t my True freezer warn me it was warm?
On the undercounter models the door ajar and high temperature alarms are off until you turn them on. Check the keypad setting so you get the warning next time.

Back to your everyday

Still showing HIGH TEMP?

Book with the code or the alarm pattern written exactly as the freezer shows it, the full model number, and whether the food is still frozen hard — when there is a code, that is where the diagnosis starts.

(844) 456-4651 Schedule a repair