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12 Troubleshooting
12 Troubleshooting
12.1
Error codes
Fig.195
A
Error
118: Water pressure too low
0,4 bar
Tab.69
List of error codes
Display
10
10:Outside sensor
20
20:Boiler sensor 1
28
28:Flue gas temp sensor
40
40:Return sensor 1
46
46:Return sensor cascade
50
50:HW sensor 1
52
52:HW sensor 2
60
60:Room sensor 1
65
65:Room sensor 2
68
68:Room sensor 3
78
78:Water pressure sensor
73
73:Collector sensor 1
83
83:BSB short-circuit
84
84:BSB address collision
91
91:Data loss in EEPROM
98
98:Extension module 1
99
99:Extension module 2
100
100:2 clock time masters
102
102:Clock without backup
103
103:Communication failure
109
109:Boiler temp supervision
110
110:Lockout SLT
111
111:Shutdown limit thermost
117
117:Water pressure too high
118
118:Water pressure too low
125
125:Boiler temp too high
134
A Error code
B Secondary error code
C Description of the error
B
C
BM-0000026-GB-03
12.1.1
Description of the error
Outside temperature sensor.
Flow back sensor.
Flue gas sensor.
Return temperature sensor.
Cascade return temperature sensor error.
Domestic hot water sensor (only for heating only models with domestic hot
water tank).
Solar domestic hot water sensor (if incorporating a solar system).
Room temperature sensor 1 error.
Room temperature sensor 2 error.
Room temperature sensor 3 error.
Hydraulic pressure sensor error.
Solar collector sensor (if incorporating a solar system).
Communication problem between boiler PCB and control unit. Probable
short circuit on the heating.
Address conflict between several control units (internal anomaly).
Loss of data in EEPROM.
Extension module 1 error.
Extension module 2 error.
2 master clocks
Master clock with no power reserve.
Communication error.
Air present in the boiler circuit (anomaly)
Safety thermostat cut-off for overheating (pump blocked or air in the heat
ing circuit).
Safety thermostat cut-off for overheating.
Pressure in hydraulic circuit too high.
Pressure in hydraulic circuit too low.
Safety cut-off for absence of circulation (check made by a sensor).
Important
Press the
key to return to the main display.
MENU
The
symbol continues to be displayed on the control panel.
If the error is not resolved after one minute, the error code is
displayed on the control panel a second time.
Important
If the display of the error code persists, contact the accredited
assistance service.
Important
If the error code simultaneously displays the
contact the accredited technical support service.
List of error codes
and
symbols,
7702639 - v03 - 10072018
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