Appendix
20
Operating instructions ecoCRAFT exclusive 0020149575_01
Appendix
A Troubleshooting
Problem
Possible cause
Solution
No hot water,
heating stays cold;
product does not
start
Building gas isolator cock closed
Open building gas isolator cock
Building power supply switched off
Switch on building power supply
Main switch on the product is
switched off
Switch on the main switch on the
product
The heating flow temperature on the
control is set too low or in the "Heat-
ing off" position and/or the domestic
hot water temperature is set too low
Set the heating flow temperature
to the desired temperature and/or
set the hot water temperature to
the desired temperature
Filling pressure of the heating install-
ation insufficient
Add more water to the heating
installation
Air in the heating installation
Purging the radiators
If the problem occurs again: In-
form the competent person
Ignition malfunction
Press the reset button
If the problem occurs again: In-
form the competent person
Hot water handling
mode without any
problems; heating
does not start
No heat requirement via the control-
ler
Check the timer programme on
the controller and correct if neces-
sary
Check the room temperature and,
if required, correct the target room
temperature ("Controller operating
instructions")
The heating flow temperature on
the control is set too low or is in the
"Heating off" position
Set the heating flow temperature
to the required temperature
Air in the heating installation
Purging the radiators
If the problem occurs again: In-
form the competent person
No hot water, heat-
ing mode function-
ing correctly
The hot water temperature on the
control is set too low or in the "Hot
water off" position
Set the hot water temperature to
the required temperature
Traces of water
under or next to the
product
Condensate drain pipework blocked
Check and, if required, clean the
condensate drain pipework
Leak in the system or the product
Close the cold water supply to
the product, inform a competent
person
Summary of Contents for ecoCRAFT exclusive
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