51
AGUADENS
COSMOGAS
7 - USE
7.9.2 - Diagnostics “E” error fault codes
and potential solutions
Error
Error Description
Checks
Solutions
Err 100 Software error inside the
command board
Replace the command and control board.
Err 101 Software error inside the
command board
Replace the command and control board.
Err 102 Software error inside the
command board
Replace the command and control board.
Err 103 Software error inside the
command board
Replace the command and control board.
Err 104 Software error inside the
command board
Replace the command and control board.
Err 105 The supply temperature
exceeds 110°C with the
gas valve closed
Check that the electrical resistance of the two supply
sensors match the graphics in section 8.14.
Check that the gas valve closes the gas correctly
when the burner switches off.
If one of the two sensors does not match, the double
supply sensor must be replaced.
The gas valve must be replaced if it does not close
correctly.
Err 106 Software error inside the
command board
Replace the command and control board.
Err 107 Software error inside the
command board
Replace the command and control board.
Err 108 Software error inside the
command board
Replace the command and control board.
Err 109 Software error inside the
command board
Replace the command and control board.
Err 110 Software error inside the
command board
Replace the command and control board.
Err 111
Software error inside the
command board
Replace the command and control board.
Err 112 Software error inside the
command board
Replace the command and control board.
Err 113 Software error inside the
command board
Replace the command and control board.
Err 114 Flame detected in a
moment when it should
not be present
Replace the gas valve.
Err 115 Central heating water
low pressure (N/A)
(N/A)
(N/A)
Err 116 Central heating water
pressure sensor error
(N/A)
(N/A)
(N/A)
Err 117 Not applicable
(N/A)
(N/A)
Err 118 Software error inside the
command board
Replace the command and control board.
Err 119 Cold water inlet sensor
(1007) circuit open
Check that the electric resistance of the sensor
matches the graphics in section 8.14. Check the
electric cables for connection between the sensor
and the command board.
If the electric resistance does not match, replace it.
The electric circuit must be repaired if it is damaged.
Without either of the two previous cases, replace the
command and control board.
Err 120 Heat exchanger outlet
sensor (1001) circuit
open
Check that the electric resistance of the sensor
matches the graphics in section 8.14. Check the
electric cables for connection between the sensor
and the command board.
If the electric resistance does not match, replace it.
The electric circuit must be repaired if it is damaged.
Without either of the two previous cases, replace the
command and control board.
Err 121 Heat exchanger outlet
sensor (1005) circuit
open
Check that the electric resistance of the sensor
matches the graphics in section 8.14. Check the
electric cables for connection between the sensor
and the command board.
If the electric resistance does not match, replace it.
The electric circuit must be repaired if it is damaged.
Without either of the two previous cases, replace the
command and control board.
Summary of Contents for AGUADENS Series
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