Kolpak Walk-In Cooler Error Code HIGH MONITOR TEMP2 ALARM: Temp 2 Above Offset
HIGH MONITOR TEMP2 ALARM means the Temp 2 input is above the High Temp Alarm Offset for longer than the High Temp Alarm Delay. The spot watched by Temp 2 is too warm. Scroll the Alarms & Variables menu to confirm, and check that area with a thermometer.
Medium: a monitored area is above its high alarm point, and product there may be at risk.
- Code
- HIGH MONITOR TEMP2 ALARM
- Maker
- Kolpak
- Equipment
- Walk-in coolers & freezers
- Applies to
- ArcticFox Deluxe Display, stand-alone
What does Kolpak HIGH MONITOR TEMP2 ALARM mean?
The stand-alone Display compares the Temp 2 reading with a limit set by the High Temp Alarm Offset. When the temperature is above that offset, the Display does not alarm right away. It waits for the High Temp Alarm Delay. If the reading is still above the limit when the delay ends, the text alarm HIGH MONITOR TEMP2 ALARM appears in the Alarms & Variables menu. The delay lets normal short warm-ups pass, such as a door held open during loading. The alarm tells you a valid temperature is too high, which is different from the sensor alarms, where the reading itself cannot be trusted. The manual gives no causes. It lists a DISP CLEAR ALARM variable for clearing alarms set in the Display, and says to scroll the menu to see active alarms.
Affected models and control systems
ArcticFox Deluxe Display, stand-alone, on Kolpak walk-ins. The manual lists this alarm in the Alarms & Variables menu on page 9 of the stand-alone section.
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
- HIGH MONITOR TEMP2 ALARM in the Alarms & Variables menu
- Alarm indication on the Display
- Temp 2 reading above its normal level
- Warm area near the monitored sensor
Possible causes
Likely causes — what usually sits behind HIGH MONITOR TEMP2 ALARM on this control. A technician confirms which one it is before any part is replaced.
- Area watched by Temp 2 truly warming from poor cooling or heavy door traffic
- Sensor in a warm spot that is not representative of the room
- High Temp Alarm Offset set tight for the way the room is used
- Delay too short to ride out normal loading
Safe checks before calling for service
- Scroll the Alarms & Variables menu to confirm the alarm is active, and note the Temp 2 reading.
- Measure the monitored area with a thermometer.
- Close the door and keep airflow clear of boxes.
- Give the technician the Display value and your thermometer reading.
How a technician diagnoses HIGH MONITOR TEMP2 ALARM
- Read the High Temp Alarm Offset and High Temp Alarm Delay.
- Compare Temp 2 with a calibrated thermometer.
- Check cooling performance, defrost state and door seal.
- Review the sensor position.
- Fix the cooling problem or move the sensor, then clear the alarm and confirm.
- Cooling diagnosis uses refrigerant gauges.
- Offset and delay values are programming that match the room design.
- Sensor checks put a meter on live inputs.
Technical reference
- Document
- ArcticFox Deluxe Display - Original Instructions, Installation, Operation and Maintenance Manual
- Edition
- Part No. 500002385-4, 5/23
- Models / control
- ArcticFox Deluxe Display, stand-alone
- Section
- Deluxe Display - Stand Alone - Alarms & Variables Menu, p.9
- 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.
Related Kolpak walk-in cooler & freezer error codes
Does this alarm mean the sensor is bad?
No. A bad sensor would give a sensor alarm. Here the reading is valid and high.
Is this the same as HIGH MONITOR TEMP2?
The idea is the same. That name is for the OEM controller with Display, and this one is for the stand-alone Display with its own offset and delay names.
What should I do with the food?
Use a thermometer and your own food safety rules. The alarm does not say how long the area was warm.
Need help with Kolpak HIGH MONITOR TEMP2 ALARM?
A technician confirms the cause on site and gives you the price in writing before any work starts.