DORA
90 LT - 120 LT
2.12
FAULTS/PROTECTION
This device has a self-diagnosis system that covers some pos-
sible faults or protections from anomalous operating conditions
through: detection, signalling and adoption of an emergency
procedure until resolution of the fault.
Fault/Protection
Tank lower probe fault
Tank upper probe fault
Defrost probe fault
Inlet air probe fault
Evaporator inlet probe fault
Evaporator outlet probe fault
Compressor flow probe fault
Solar collector probe failure
(Not used)
High pressure protection
Recirculation circuit alarm
Temperature not suitable for heat
pump operation alarm.
(With alarm active the water is heat-
ed only with heating element)
No communication (with alarm ac-
tive the device does not work)
Electronic fan fault
EXPERT TECHNICIAN
/ MANUFACTURER'S
TECHNICAL
ASSISTANCE
cod. 3541T620 - Rev. 06 - 12/2022
Error code
P01
P02
P03
P04
P05
P06
P07
P08
E01
E02
PA
E08
E03
If one or more of the above
faults occur, contact the
manufacturer's technical as-
sistance, indicating the error
code shown on the display.
EN
Display indi-
cation
+ P01
+ P02
+ P03
+ P04
+ P05
+ P06
+ P07
+ P08
+ E01
+E02
+PA
+ E08
+ E03
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