MHK2 Product Manual

18
Alerts and Maintenance Reminders
The MHK2 Remote Controller comes with a set of Smart Alerts and Reminders that
helps keep your heating and cooling system running correctly and efficiently. Smart
alerts remind you to replace the battery or filter (if filter reminder is setup by the installer).
Non-critical alerts and maintenance reminders can be snoozed for up to 7 days and/or
dismissed.
When there’s an active alert or maintenance reminder, you’ll see the alert symbol
on
the controller home screen. To see alert information, follow the steps below.
1 Touch Menu on the controller home screen, then you’ll see the ALERTS sub-menu.
(The ALERTS sub-menu will only be available when there’s an active alert.)
2 Touch Select to view the alert. An alert code will appear by the controller’s clock and
a description of the alert will scroll on the screen.
3 If the alert is non-critical, you’ll have the option to Snooze or Dismiss it. If you have
multiple alerts, touch the or arrows to page through the list of active alerts and
follow steps 1 and 2 above. Touch Done to finish and return to the home screen.
To see what each alert code means and the action you should take, refer to the chart
below.
Number Alert/Reminder Definition
181 Replace Air Filter (1) Replace air filter (1). Reset the timer by touching the "dismiss" button on
controller screen after it is replaced.
405 Battery Low Battery low. Please turn the system mode to off and replace the batteries.
407 Battery Critical Battery critical. Controller cannot control your system. Please replace the
batteries immediately.
Note: Please refer to the indoor unit manual for more details if the alert code you
see is not listed in the above chart.
Change Filter Notifications
You may edit Change Filter Notifications within the Function Codes under the
Advanced Menu. To modify the notifications, follow the steps below.
1 To access the Advanced Menu, press and hold the Menu button for 5 seconds. Then
enter the previously noted PIN code when prompted. (See page 13.)
2 Touch
or to go to the Function Codes option in the Advanced Menu and touch
Select.
3 Touch
or until you reach IUFC 07 (Function Code 7) and touch Edit.
4 Touch or to edit the Change Filter Notifications feature (1 = 100 hours,
2 = 2500 hours, and 3 = no filter sign indicator) and press Done.
5 Touch Back to save the change and return to the home screen.
33-00447EFS_B.indd 18 10/17/2019 3:22:58 PM