Return To The Factory Settings; Troubleshooting - Baxi LUNA DUO-TEC 1.70 User Manual

11.7 RETURN TO THE FACTORY SETTINGS

• Press the two Menu buttons
until the symbol flashes on the menu bar.
• Select the INSTALLER menu using the
display.
• Use (-) or (+) button to input the installer code "0012".
• Confirm using button. P:1 is displayed with 1 flashing.
• Press the [+] button several times p:df is displayed with df flashing.
• Press the button , df:x is displayed with x flashing. This is the
current alue of X for dF. Check this against the value of X on the type
plate.
• Enter the value of X shown on the type plate using the [-] or [+] button.
• Confirm the value with the button
This is the current value of Y for dU. Veriry the value of y on the rating
plate is the same.
• Enter the value of y shown on the rating plate using the [-] or [+]
button.
• Confirm the value with the button
• The display returns to the current operating mode.
12.

TROUBLESHOOTING

The boiler is fitted with an electronic regulation and control unit. The heart
of the control system is a microprocessor, the Comfort Master©, which
controls and protects the boiler and also protects the boiler. If a fault is
detected anywhere in the boiler, the boiler locks out and the display will
show the fault code as follows:
In a red flashing display:
• The symbol
• The symbol RESET
• The fault code (for example E:01)
The description of each error code are given in the error table below. To
reset an error code, press the
and follow the instructions given in the solution section.
Error
Description
code
Storage unit PSU
E00
parameter not found
The safety parameters are
E01
incorrect
Supply temperature sensor
E02
short circuited
Supply temperature sensor
E03
open circuit
Temperature of heat
E04
exchanger too low.
Heat exchanger temperature
E05
too high
E06 Return temperature sensor
short circuited
E07 Return temperature sensor
open circuit
simultaneously and then (+) buttons
. "COdE" appears on the
, df:y is displayed with y flashing.
. The factory settings are reset.
button for 2 seconds. If the error code continues to display, search for the cause in the error table
Probable causes
Bad connection
Bad connection
PSU defective
Bad connection
Sensor fault
Sensor not/poorly connected
Bad connection
Sensor fault
Sensor not/poorly connected
Bad connection
Sensor fault
Sensor not/poorly connected
No circulation
Bad connection
Sensor fault
Sensor not /poorly connected
Bad connection
Sensor fault
Sensor not/poorly connected
3x
...x
Checking / Solution
Check the wiring
Check the wiring
Replace PSU
Check the wiring
Check that the sensors are operating correctly
Check that the sensor has been correctly fitted
Replace the sensor if necessary
Check the wiring
Check that the sensors are operating correctly
Check that the sensor has been correctly fitted
Replace the sensor if necessary
Check the wiring
Replace the sensor if necessary
Purge the air in the heating system
Check for water circulation (direction, pump, valves)
Check the water pressure
Check that the sensors are operating correctly
Check that the sensors have been correctly fitted
Check the cleanliness of the heat exchanger
Check the wiring
Check that the sensor has been correctly fitted
Check that the sensors are operating correctly
Check the wiring
Check that the sensor has been correctly fitted
Check that the sensors are operating correctly
45
BAXI S.p.A.
CSA
via Trozzetti 20 "M aster contract
36061 Bassano del Grappa number ......."
Vicenza, Italy
dF=1 dU=1
7703477.01 (1-03/18)