Beretta Power Plus Box 1001 EXT, Installation Manual

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34
Nr. No. on the PC Cause Troubleshooting
A10 10 Internal error Replace the Slave card.
A11 11 Internal software error Press the rest button.
A12 12 Internal error Replace the Slave card.
A16 16
The limit thermostat contact is
open with the burner off
Connector disconnected or defective.
Limit thermostat defective.
A17 17
Delivery sensor error due to
exceeding the limit temp.
Check that the flow rate in each unit’s water circuit is
sufficient.
A18 18
Return sensor error due to
exceeding the limit temp.
Check that the flow rate in each unit’s water circuit is
sufficient.
A19 19
Flue gas sensor tripped for
overtemperature > 80°C (fan
operates at maximum speed)
Heat exchange insufficient on the flue gas side inside
the exchanger.
Clean the flue gas side exchanger.
A20 20
The flame goes out too late
after the gas valve closes
Check the proper operation of the gas valve.
Replace the gas valve.
A21 21 Internal error Replace the Slave card.
A22 22
The slave board has
generated a type "E” error for
more than 24 hours
Check the history of "E" type errors
A23 23 Internal clock error
It is an error inside the clock.
Can be caused by a transient power failure.
Perform a manual reset to restore functioning.
A24 24 Fan error
The measured fan speed varies too much with the
read speed.
Check the fan.
Check the fan's electrical connection.
Replace the fan.
A25 21 Internal error Replace the Slave card
Nr. No. on the PC Cause Troubleshooting
E33 33 Line and neutral inverted Restore the correct line-neutral electrical connection
E34 34
Reset button error.
It was pressed more than 7
times in 30 min.
Wait for the error to disappear.
If the error did not disappear after max 40 min, replace
the Slave card.
E35 35
Water differential pressure
switch error
(contact open)
Check that the flow rate in each unit’s water circuit is
sufficient.
Replace the water pressure switch (tar.500 lt/h).
E36 36 Internal error Replace the Slave card.
E37 37 Flame detection error
Clean the electrodes.
Replace the electrode.
E38 38
Flue gas sensor short
circuiting
Check the flue gas sensor connector.
Replace the flue gas sensor.
E39 39
Flue gas sensor with contact
open
Check the flue gas sensor connector.
Replace the flue gas sensor.
E40 40 The frequency is not 50 Hz Check the frequency of the electrical network
E41 41 Internal error Replace the Slave card.
E42 42 Flow sensor in short circuit
Check the delivery sensor connector.
Replace the delivery sensor.
E43 43
Delivery sensor with contact
open
Check the delivery sensor connector.
Replace the delivery sensor.
E44 44 Return sensor short circuiting Check the return sensor connector.
Replace the return sensor.
E45 45
Return sensor with contact
open
Check the return sensor connector.
Replace the return sensor.
E46 46
Delivery sensor error due to
exceeding the limit temp.
Check that the flow rate in each unit’s water circuit is
sufficient.
E47 47
Return sensor error due to
exceeding the limit temp.
Check that the flow rate in each unit’s water circuit is
sufficient.
E48 48
Flue gas sensor error due to
exceeding the limit temp. (fan
turns at max with this error).
Check that the flow rate in each unit’s water circuit is
sufficient.
Clean the water side and flue gas side exchanger.
E49 49
Insufficient or absent earth
connection.
Check the earth connection.
Replace the Slave card.