53
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
Error
Code
Anomaly signalled Cause Hydronic module status / Solution
E 125
Zone 1 room
temperature probe
anomaly
e zone 1 room probe has an out of range resistive value. (1).
E 126
Zone 2 room
temperature probe
anomaly
e zone 2 room probe has an out of range resistive value. (1).
E 127
Zone 3 room
temperature probe
anomaly
e zone 3 room probe has an out of range resistive value. (1).
E 129
Zone 1 humidity
probe anomaly
Anomaly on the zone 1 humidity probe.
In addition to the humidity, the dew
point is not calculated for the zone
either (1).
Zone humidity cannot be checked.
E 130
Zone 2 humidity
probe anomaly
Anomaly on the zone 2 humidity probe.
In addition to the humidity, the dew
point is not calculated for the zone
either (1).
Zone humidity cannot be checked.
E 131
Zone 3 humidity
probe anomaly
Anomaly on the zone 3 humidity probe.
In addition to the humidity, the dew
point is not calculated for the zone
either (1).
Zone humidity cannot be checked.
E 139
De-aeration in
progress
Ve n t f u n c t i o n i n p r o g r e s s .
No demand can be made until the end
of the function in progress (1).
E 142
Dominus oine
alarm
Communication with Dominus is oine. (1).
E 177
DHW maximum time
block
Domestic hot water production is not met within the
pre-established time (see parameter P14).
e system continues to operate with
non-optimal performance (1).
E 178
Anti-Legionella cycle
block not successful
e anti-Legionella cycle is run without success within the
pre-established time (see parameter P13).
Press the Reset button (1).
E 179
Liquid phase probe
anomaly
e board detects an anomaly on the liquid phase NTC
probe.
e system does not start (1) (3).
E 182 Outdoor unit alarm An anomaly appears on the outdoor unit.
e system does not start, see the
anomaly on the outdoor unit and its
instructions booklet (1) (3).
E 183
Outdoor unit in test
mode
A signal noties that the outdoor unit is in test mode.
During this time, room heating/air
conditioning and domestic hot water
p r o d u c t i o n r e q u i r e m e n t s c a n n o t b e
met.
(1) If the shutdown or fault persists, contact an authorised company (e.g. Authorised Aer-Sales Technical Assistance Centre)
(2) e anomaly can only be veried in the list of errors in the “Information” menu.
(3) e heat pump mode does not start, the heat generator stays active to satisfy the room heating and domestic hot water produc-
tion requests.
(4) e heat generator does not start, the heat pump mode stays active to satisfy the ongoing requests.
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