11
The display may show the following messages in the case of a malfunction:
7. MESSAGES - ALARMS
8. SPARE PARTS
See following page.
MESSAGE FAILURE
PROBABLE
CAUSE
REMEDY
AALL SS00
Boiler sensor
AALL SS22
DHW sensor
The corresponding sensor
circuit is interrupted or
is short circuited.
Inform the fitter.
See comments below.
Notes
operating mode in case of fault:
AALL SS00
::
The installation is stopped.
AALL SS22
::
If there is a fault in the DHW sensor, the instal-
lation continues to operate but domestic hot
water is no longer heated.