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Les langues disponibles
Display alarms
Error
Error description
code
E01 inlet water temperature sensor
E01
faulty
E02 outlet water temperature sensor
E02
faulty
E03
E03 DHW temperature sensor faulty
E04 external air temperature sensor
E04
faulty
E05 main exchanger antifreeze
E05
protection
E06
E6 water flow switch error
E07
E07 UE communication error
E08
E08 disinfection function failed
E09
E09 RS485 communication error
E20
E20 DHW circuit flow switch error
E21 DHW evaporator antifreeze
E21
protection
E22
E22 DHW compressor overheating
E23 DHW compressor temperature
E23
sensor faulty
E24 DHW condenser temperature
E24
sensor faulty
E25 DHW evaporator temperature
E25
sensor faulty
E26
E26 solar temperature sensor faulty
E27
E27 display communication error
Override
Override description
code
OR01
inlet water temperature low
OR02
evaporator antifreeze protection
OR03
external boiler activation request
OR04
TA input open
OR05
UE capacity limitation
OR06
UE defrosting cycle
OR07
UE not available in DHW_B
OR08
DHW flow switch protection
OR09
DHW evaporator antifreeze protection
OR10
DHW compressor temperature protection
OR11
water pump maintenance
OR12
water filter maintenance
OR13
DHW pump maintenance
External unit display alarms
On the control board of the external unit is located a
display which shows the alarms of the external unit:
Alarm
Alarm description
code
Power supply phases malfunction
E1
02
(only for 3-phases models)
Protection of the frequency conversion
P6
26
module
F1
116
DC voltage too low
HF
54
EEPROM fault of the main board
Error H6 has occurred 10 times in 120
HH
55
minutes
E5
06
Evaporator temperature T3 probe fault
External air temperature T4 probe
E6
07
fault
Compressor suction temperature Th
E9
10
probe fault
Compressor delivery temperature Tp
EA
11
probe fault
P0
20
Low pressure protection
P1
21
High pressure protection
P3
23
Compressor overcurrent protection
Compressor delivery temperature Tp
P4
24
protection
Pd
33
Evaporator temperature T3 protection
Fault in the communication between
H0
39
UI and UE
Fault in the communication between
H1
40
main board and driver board
H6
45
DC fan fault
Compressor DC voltage protection
H7
46
fault
H8
47
Pressure sensor fault
The fan has worked for 10 minute in
HE
53
Zone A in heating mode
The low voltage protection has
HP
57
occurred 3 times in 1 hour in cooling
mode
H4
43
P6 protection has occurred 3 times
Inverter module overtemperature
C7
65
protection
SHERPA AQUADUE TOWER
EN - 33
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