Help With Problems; Changing The Fuse; Restoring The Factory Settings At The Underfloor Heating Controller; Fault Displays - Honeywell HCE80R Mounting And Operation Instructions

22

Help with problems

Changing the fuse

!
Only use ceramic fuses of the type
230 V AC; 2.5 A; fast; 5 x 20 mm.
Deenergize the device.
1
Open the housing (see "Opening
2
the housing" on Page 10).
Remove the holder with the fuse (Steps 1 to 3).
3
Replace the old fuse by a new one.
1 4
Insert the fuse again.
5
Close the housing (see "Closing the
6
housing" on Page 13).
3
Help with problems
4
2
1
Restoring the factory settings at the
underfloor heating controller
!
When the underfloor heating controller
is reset to the factory settings, the cur-
rent configuration (assignment) is deleted.
The underfloor heating controller retains
its configuration after a power failure.
Keep the Mode and
1
simultaneously for at least 10 seconds.
After 4 seconds the controller changes over
to test mode. Continue to keep the buttons
pressed until the
The factory settings have been reset at
the underfloor heating controller.

Fault displays

If the LED lights up, a fault is present
in at least one temperature zone.
The colours of the zone LEDs 1...8 provide information
on the type of fault in the respective temperature zone:
Status Meaning
Off No fault
Flashing red No connection to the room temperature
sensor/setpoint adjuster
Flashing yellow No connection to the setpoint
adjuster and evohome controller
or CM927 operating device
Flashing green No connection to the evohome controller
or the CM927 operating device
!
The fault display extinguishes as soon
as the fault has been eliminated.
buttons pressed
LED flashes yellow.