53
AGUAPLUS
COSMOGAS
14 - USE
14.10.2 - Diagnostics: “Err” errors
Error
Error description
Checks
Solutions
Err 0
A sensor is out of the
measurement range
Make sure all the temperature sensors are in a
plausible measurement range
Replace any sensors that are not in the proper
temperature range or replace the main board
Err 45
Software error inside
command board
Replace the command and control board
Err 46
Software error inside
command board
Replace the command and control board
Err 47
Software error inside
command board
Replace the command and control board
Err 48
Software error inside
command board
Replace the command and control board
Err 49
Software error inside
command board
Replace the command and control board
Err 50
Software error inside
command board
Replace the command and control board
Err 51
Software error inside
command board
Replace the command and control board
Err 52
Software error inside
command board
Replace the command and control board
Err 53
Software error inside
command board
Replace the command and control board
Err 54
Flame detected at a time
in which it should not be
Replace the command and control board
Err 55
Software error inside
command board
Replace the command and control board
Err 56
Software error inside
command board
Replace the command and control board
Err 57
Software error inside
command board
Replace the command and control board
Err 58
Software error inside
command board
Replace the command and control board
Err 59
(*)
Low water pressure error Check the system pressure and, if necessary,
increase it.
If the detected pressure is greater than parameter
3022, replace the pressure measuring device.
Err 60
Flue exhaust tempera-
ture high error
Check the combustion output of the burner in error; the
output must be higher than 97% (referring to the PCI).
If the output is lower than 97%, try cleaning the flue
gas side and the water side of the heat exchanger.
Make sure the flue exhaust temperature sensor re
-
sistance matches with the graphic in section 15.14.
If the sensor does not match, it must be replaced.
Err 61
Return temperature
greater than supply
temperature
Make sure the return sensor electrical resistance
matches with the graphic in section 15.14.
If the sensor does not match, it must be replaced.
Err 62
(*)
Condensate level sensor
error
Make sure the condensate exhaust duct is not
obstructed;
Free the condensate exhaust duct of any obstruc-
tions;
Check the state of the condensate neutralizer;
Replace the product contained in the condensate
neutralizer;
Err 64
Frequency signal error
or WD communication
error
Check the signal frequency. It must be between 48
and 52 Hz.
If the frequency does not fall within the values, ask
the electrical service provider. Otherwise, try replac-
ing the control board.
Make sure the grounding and the neutral are at 0
volt
If the neutral is not at zero, restore the correct
electrical power supply. If the neutral is at 0 volt, try
replacing the board.
Err 65
Polarity inverted
between phase and
neutral.
Check proper polarity between phase and neutral.
Invert the polarity between phase and neutral.
Err 66
Frequency signal error
Check the signal frequency. It must be between 48
and 52 Hz.
If the frequency does not fall within the values, ask
the electrical service provider. Otherwise, try replac-
ing the control board.
Make sure the grounding and the neutral are at 0
volt
If the neutral is not at zero, restore the correct
electrical power supply. If the neutral is at 0 volt, try
replacing the board.
