70
BoIleR STaTuS
malFunCTIon
PRoBaBle CauSe
SoluTIon
e86*
Flow temperature increases too quickly.
Pump is seized.
Unseize the pump.
Pump is faulty.
Replace it.
Air present inside heating system.
Bleed the air from the boiler by
opening the jollies on the exchanger
and pump.
e87*
Return temperature increases too
quickly.
Circulation of foreign water in boiler.
Check that there are no other boilers
or additional cascading heat sources
Air present inside heating system.
Bleed the air from the boiler by
opening the jollies on the exchanger
and pump.
e89***
Faulty flue temperature value.
Flue probe on heat exchanger is faulty or
damaged.
Replace it.
e98
The max. number of resets from the
boiler touch screen has been reached.
The user has reached the max. number
of resettable errors from boiler control
panel.
Power off and on again using the
switch installed ahead of the boiler.
e99
The max. number of resets from the
Remote Control has been reached.
The user has reached the max. number
of resettable values from the Remote
Control.
Reset boiler interface.
* errors that can be reset by the user by keeping the 'Reset' button pressed
** self-resettable errors, they automatically reset as soon as the failure is corrected
*** errors that can be reset only by the Technical Service personnel
If errors e51, e52, e53, e73, e85, e90 and e91 are diplayed, please contact a qualified Service Centre.
Summary of Contents for ITACA KC 12
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