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Error code · Baxter · Bakery ovens

Baxter Bakery Oven Error Code COOL: Cool Down Mode

A temperature display that alternates between a number and COOL means the oven is in Cool Down mode and is deliberately dropping its chamber temperature. The manual says this is not a problem, and to close the oven door or press any button to return to normal mode.

Medium · inspection needed

Low: a deliberate operating mode; the oven is not broken.

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Code
COOL
Maker
Baxter
Equipment
Bakery ovens
Applies to
Baxter OV500E1, OV500E2 (electric), OV500G1-EE, OV500G2-EE (gas) rotating rack ovens built after 3/23/2017

What does Baxter error code COOL mean?

On the OV500 rotating rack oven with the advanced electronic control, the temperature display normally shows the chamber temperature as a number. In Cool Down mode, the control alternates that number with the word COOL while it lowers the chamber temperature on purpose. The manual's Alarms and Display Messages table explains that the oven is in Cool Down mode and that it is not a malfunction. The cause it gives is simply that Cool Down mode is active. Its action is to close the oven door or press any button to return to normal mode. Nothing in the table suggests a failed part. If the display keeps going back to COOL, the likely reason is that the door is being left open, since the control reads the open door as a request to cool. The display alternates between the temperature and COOL.

Affected models and control systems

This code is listed for the Baxter OV500E1, OV500E2 (electric), OV500G1-EE and OV500G2-EE (gas) rotating rack ovens built after 3/23/2017, in Operator Manual form 36806 Rev. D.

Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.

What you may notice

  • Temperature display alternating between a number and COOL
  • Chamber temperature falling while the display shows COOL
  • Oven not heating until normal mode returns

Possible causes

Likely causes — what usually sits behind error code COOL on this control. A technician confirms which one it is before any part is replaced.

  • Cool Down mode is active
  • Door left open or not latched, so the control keeps returning to cooling
  • Door switch signal reading open when the door is shut
  • A button pressed that selected cool down

Safe checks before calling for service

✓ What an operator can do
  1. Look at the oven door and make sure it is fully closed and latched.
  2. Press any button on the control to return to normal mode, as the manual says.
  3. Watch the display for a minute to see whether COOL stops alternating with the temperature.
  4. If COOL returns with the door shut, note how often and what the temperature was, for the service call.

How a technician diagnoses error code COOL

  1. Confirm the display behavior matches Cool Down mode and not a different alarm.
  2. Check the door switch signal as the door opens and closes.
  3. Check the door latch and alignment.
  4. Review control settings that could trigger cool down.
  5. Replace the switch only if the test shows it does not follow the door.
! Leave this to a technician
  • Door switch tests mean working at wiring in an oven with live voltage and hot surfaces.
  • The oven chamber may still be hot while cooling, so internal checks risk burns.
  • A repeating false cool-down needs the control's own settings and a meter.

Technical reference

Document
Operator Manual OV500G1-EE, OV500G2-EE, OV500 Rotating Rack Oven with Advanced Electronic Oven Control
Maker documentation
Baxter owner support
Edition
FORM 36806 Rev. D (February 2022)
Models / control
Baxter OV500E1, OV500E2 (electric), OV500G1-EE, OV500G2-EE (gas) rotating rack ovens built after 3/23/2017
Section
Troubleshooting - Alarms and Display Messages, p. 22; USB firmware update message UPdt-FAIL-USb-Err on p. 21
Checked
October 2026

We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.

→Same maker

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COOLQuestions about Baxter error code COOL
Is COOL an error?

No. The manual says the oven is in Cool Down mode and it is not a malfunction, only a mode.

How do I get out of COOL?

Close the oven door or press any button, as the manual says.

Why does COOL keep coming back?

The door may be open or the door switch may read it as open. Check the door first, then call if it persists.

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