Fault Codes - Beretta POWER PLUS Installation Instruction

Fault Codes

ERRORS ON THE MASTER BOARD
The following tables provide a description of the errors that may occur on the Master board.
The errors can be divided into two groups:
- Type A errors, which can only be deactivated by pressing RESET (see ref. 3 on page 18).
- Type E errors, which are deactivated when the causes are no longer present.
Permanent errors, TYPE A
N° N° on PC
A16 10
A18 12
A20 14
Errors deactivated automatically, TYPE E
The following errors may occur, and can be deactivated automatically.
If any one of these errors occurs, the red LED comes on (see ref. 4 on page 18).
N° N° on PC
E25 0
E23 28
E24 29
E25 30
E26 31
E32 33
56
E34 42
E02 51
E04 53
E18 67
E20 69
ERRORS ON THE SLAVE BOARD
List of slave errors: manual reset (see ref. 3 on page 18)
If slave errors with manual reset occur, the Slave reset button can be used (see ref. 13 on page 18).
N° N° on PC
A01 1
A02 2
A04 4
A05 5
Cause
Internal error
Internal error
Internal error
Cause
Internal error
Internal error
Internal error
Internal error
Internal error
Slave boards not found
Internal 50Hz error
NTC1 open (NTC1: outlet sensor)
NTC3 open (NTC3: DHW sensor)
NTC1 shorted (NTC1: outlet sensor)
NTC3 shorted (NTC3: DHW sensor)
Cause
5 failed ignition attempts
Too many ignition failures caused by
fl ame ionisation problems
Water side maximum temperature
thermostat tripped (> 90°C). Board
version 43
Gas valve coil faultyFalse contact in the
gas valve connector. Faulty gas valve
connector. Water side maximum tem-
perature thermostat tripped (> 90°C)
with burner on
Checks and solutions
Replace the master board
Replace the master board
Replace the master board
Checks and solutions
Replace the master board
Replace the master board
Replace the master board
Replace the master board
Replace the master board
Check that the two-pole switches on the individual units are in the "ON"
position
Check the slave board addresses
Check the slave board bus connections
Replace the master board
Replace the slave board
The mains frequency is not 50Hz
Outlet sensor in the primary circuit not connected or faulty
DHW sensor not connected or faulty
Outlet sensor in the primary circuit short-circuited
DHW sensor short-circuited
Checks and solutions
Check that the gas valve is open. Check the presence of sparks be-
tween the two ignition electrodes
Check the ignition cable
The gas valve is not opening
Replace the slave board
Check that the fl oat in the siphon is not jammed
Check that the module is not full of condensation
Check that the gas shut-off valve has not tripped
Clean the ignition electrodes
Replace the ignition electrodes
Replace the ignition cable
Insuffi cient circulation in the primary circuit
Faulty maximum temperature thermostat
Replace the gas valve
Check the gas valve connector
Replace the gas valve connector
Insuffi cient circulation in the primary circuit
Faulty maximum temperature thermostat