Radiant RKR 25, User Manual, Page: 7 / 8

USER INSTRUCTIONS
5
If the problem persists,
Call the Service Centre.
_
E05
_
Heating Sensor malfunction
Code
E05
lit continuously on the display.
Call the Service Centre.
_
E06
_
D.H.W Sensor malfunction
Code
E06
lit continuously on the display.
Call the Service Centre.
_
E16
_
Electric Fan Malfunction
Code
E16
lit continuously on the display.
Call the Service Centre.
_
E22
_
Parameter programming request
Code
E22
lit continuously on the display.
Call the Service Centre.
_
E35
_
Flame Detection Malfunction
Code
E35
lit continuously on the display.
Call the Service Centre.
N.B. If the boiler is to be left unused for a long period of time,
the user must do one of the following:

Make the boiler safe
by disconnecting all the power supplies (electricity and gas), and draining the heating
system and the condensate trap.

Leave the boiler in
standby,
leaving the electricity and gas supplies connected and, consequently the anti-freeze
function.