Electronic equipment can in some circumstances be affected by electrical interference.
If the programmer’s display becomes frozen or scrambled; or if you wish to revert back
to the default time settings please reset by pressing the SET and CH buttons together as
shown below.
After initial installation it is advisable, before programming the CentaurPlus for the rst
time, to reset the unit. Resetting can only be achieved with the power ‘ON’ by pressing
the SET and CH buttons together. This will return the programmer to the factory set default
times.
7
SET
CH
The programmer is tted with a non-rechargeable, long life battery, which will
maintain the programmed time settings for a minimum of ten months with the supply
disconnected.
THIS SHOULD BE SUFFICIENT TO COVER POWER INTERRUPTIONS DURING THE LIFE OF THE UNIT.
During power interruptions the display will be blank, after 3 days the current time of day
will be lost. These measures are to prolong the battery life.
This programmer is NOT user serviceable. Please do not dismantle the unit.
In the unlikely event of a fault developing please refer to the RESETTING THE PROGRAMMER
section of this user guide shown above. If this fails to resolve the problem please contact a
local heating engineer or a qualied electrician.
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