Setting The Programme - 24 Hour - Danfoss 102E5 Installation And User Manual

Electronic mini-programmer for controlling hot water and heating (including factory replacement units fru)
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Programming event times in 24 hour
mode
You can programme your heating and hot water to
come on and go off up to 3 times each day, to suit your
requirements.
 Press PROGRAMME until 1
(Event 1) shows along the top
of the display.
 Use the + and - buttons to set
the time you want your system
to fi rst come on in the morning
 Press PROGRAMME again to move to the next step
(Event 2)
 Use the + and - buttons to set the time you want your
system to fi rst go off.
 Continue using the PROGRAMME and +/- buttons
in this way to set the ON/OFF times for events 3-6
(2nd ON/OFF & 3rd ON/OFF).
NB. It is not possible to programme times out of
sequence.
If you do not press a button at all for 3 or 4 minutes the
unit will automatically return to RUN mode.
1
15

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Questions and answers

Nigel Youngman
February 1, 2025

why wont my boiler start and go off via the time clock it is set to auto

1 comments:
Mr. Anderson
February 10, 2025

Your Danfoss 102E5 boiler may not be starting and stopping according to the timer set to auto due to several possible reasons:

1. Incorrect Programming – Verify that the programmed ON and OFF times are correctly set.
2. Manual Overrides Active – Check if the +1HOUR or ADVANCE override buttons are activated, as they can temporarily alter the schedule.
3. Unit Set to OFF – The ADVANCE function does not work if the unit is set to OFF, so ensure it is in AUTO mode.
4. Power Supply Issues – Confirm that the unit is receiving power (230V supply).
5. Wiring Issues – Ensure all wiring connections, including zone valves and thermostats, are properly connected.
6. Battery Backup Failure – If there is a battery backup issue, the unit may lose programmed settings and not function as expected.
7. Faulty Unit – If the above checks do not resolve the issue, the unit itself may be faulty and require inspection or replacement.

Check these factors to diagnose the issue and restore proper operation.

This answer is automatically generated

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