Honeywell MAGICSTAT 3355 - Manual (Page 35)

35 69-1012
The furnace cycles too frequently or
the system cycle length is too short
or too long. ■ Readjust system on-time according to instructions on
pages 18 and 19.
The thermostat's current setting
does not match the display
temperature to within
±
1
°
.
■ Check that the wiring hole in the wall behind the wallplate
was plugged with insulation to prevent drafts that might
adversely affect the thermostat operation.
■ Be aware that it is normal for the current setting and
display temperature to differ on occasion.
■ During recovery from setback or setup, setting and
display temperatures may differ for up to 30 minutes after
recovery period.
Incorrect room temperature showing
on thermostat display. ■ Make sure the hole behind the thermostat is plugged with
insulation to help prevent drafts from adversely affecting
the thermostat operation.
■ The thermostat is factory-calibrated, and cannot be
adjusted.
bAt Lo remains on display after
fresh batteries are installed. ■ Remove the batteries. Wait one hour. Install fresh alkaline
batteries.