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.
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