EN
59
Product
presentation
Installation
Settings /
Operation
Maintenance,
Servicing and
Troubleshooting
Warranty
Error code
Indication
Err 21 Electrical malfunction
of the air sensor
The LED will flash 7 times
Err 22 Electrical malfunction
of the steam sensor
The LED will flash 9 times
Err 305 Inconsistency of the sensors
The LED will flash 11 times
4.1.2. Problem / solving heat pump malfunction indication
Error codes
Indications
Err 25 Compressor power supply
malfunction
The LED will flash twice
Err 28 Defrosting inefficiency
The LED will flash 3 times
Err 301 No heating of the heat pump
(PAC)
The LED will flash 4 times
Err 302 Fluid leak
The LED will flash 5 times
Err 303 Evacuation problem
The LED will flash 7 times
Err 304 Exiting MAP (Sortie de MAP)
The LED will flash 9 times
4.2. Error codes
The alarm can be suspended or reset by pressing (short press) the Acknowledgment button (see the "Control panel"
section).
4.2.1. "Tank" error codes
Error codes
Causes
Consequences
Troubleshooting
Err 03
Electrical
malfunction
of the water sensor
Malfunction of
the water
temperature
or out of range
Unable to read
the water temperature:
no heating.
Check the connection (mark A1) of the water
temperature sensor (immersion sleeve).
Check the absence of moisture in the immersion
sleeve where the sensor is located.
If necessary, replace the sensor.
Err 07
ACI malfunction
The tank has no
water or the ACI
connection is open
No heating
Fill the tank with water.
Check the ACI circuit (connection, wiring and
water conductivity, ...)
Err 09
Water too hot
The water
temperature
is too hot
(T>80°C)
Risk of
activating the mechanical
safety device: no
heating.
Check if the actual water temperature at the
point of use is high (T> 80°C).
Check the connection (mark A1) and the
position of the water temperature sensor
(immersion sleeve).
Check if the electric booster pump is
continuously functioning. Reset the mechanical
safety device if necessary.