Display And Fault Codes; Maintenance - Riello Start Condens 25 IS ...

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Installer and user manual (148 pages)

1 2 3 Table Of Contents 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52

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ENGLISH, page 18
ITALIANO, pagina 5
MAGYAR, oldal 31

• Close the fuel and water taps of the heating and domestic hot water system. 9 In this case, the anti-freeze and circulator anti-locking systems are deactivated. • Drain the heating and domestic water system if there is any risk of freezing.

6 - Display and fault codes

Boiler status Display Off status(OFF) Off Stand-by - ACF alarm lockout module A01 ACF electronics fault alarm A01 Limit thermostat alarm A02 Tacho fan alarm A03 Water pressure switch A04 alarm Water tank fault A06 NTC heating outlet fault A07 Heating outlet probe over- A07 temperature Outlet/return line probe A07 differential alarm NTC heating return line A08 fault Heating return line probe A08 over-temperature Outlet/return line probe A08 differential alarm Cleaning the primary heat A09 exchanger NTC flue gases fault A09 Flue gases probe over- A09 temperature Parasite flame A11 Low temperature system A77 thermostat alarm Temporary pending ignition 80°C flashing Water pressure switch intervention Calibration service ADJ Calibration installer ADJ Chimney sweep ACO Vent cycle External probe presence Domestic water heat 60 °C request Heating heat request 80 °C Antifreeze heat request Flame present To restore operation (reset alarms): Faults A01-02-03 Position the mode selector on then turn it to the required position. Type of alarm None Signal Definitive lockout Definitive lockout Definitive lockout Definitive lockout Definitive lockout Signal Temporary stop Temporary then definitive Definitive lockout Temporary stop Temporary then definitive Definitive lockout Signal Signal Definitive lockout Temporary stop Temporary stop Temporary stop Temporary stop flashing Signal Signal Signal Signal Signal Signal Signal Signal Signal (OFF), wait for 5-6 seconds and If the reset attempts do not reactivate the boiler, request the inter- vention of the Technical Assistance Centre. Fault A 04 In addition to the fault code, the digital display displays the symbol . Check the pressure value indicated by the water gauge: if it is less than 0.3 bar, position the function selector on filling tap until the pressure reaches a value between 1 and 1.5 bar. Then turn the function selector to the required position. The boiler will carry out a venting cycle lasting about 2 minutes. If pressure drops are frequent, request the intervention of the Techni- cal Assistance Centre. Fault A 06 Contact the Technical Assistance Centre. Fault A 07-A 08 Contact the Technical Assistance Centre. Fault A 09 Position the mode selector on then turn it to the required position. If the reset attempts do not reactivate the boiler, request the inter- vention of the Technical Assistance Centre. Fault A 09 The boiler is equipped with an auto-diagnostic system which, based on the total number of hours in certain operating conditions, can signal the need to clean the primary exchanger (alarm code 09 and flue gas probe meter >2,500). Once the cleaning operation has been completed, reset to zero the total hour meter with special kit supplied as an accessory following procedure indicated below: • Switch off the power supply • Remove the housing • Turn the instrument panel after unscrewing its fixing screw • Undo the fixing screws of the cover (F) to access the terminal board While electrically supplying the boiler, press the C button for at least 4 seconds to verify the meter has been reset and then disconnect and reconnect power to the boiler; the meter value is displayed after the signal "- C -". 9 Live electrical parts (230 Vac). NOTE - The meter resetting procedure should be carried out after each in-depth cleaning of the primary exchanger or if this latter is replaced. To check the status of the totalled hours, multiply the value read by 100 (e.g. value read 18 = total hours 1800 - value read 1= total hours 100). The boiler continues to operate normally with the active alarm. Fault A 77 The fault is self-resetting, if the boiler does not restart contact the Technical Assistance Centre.

7 - Maintenance

Periodic maintenance is an "obligation" required by law and is es- sential to the safety, efficiency and lifetime of the boiler. It allows for the reduction of consumption, polluting emissions and keeping the product reliable over time. Before starting maintenance operations: • Perform the analysis of the combustion products to check the boil- er operation status then cut the electrical supply by turning off the system's general switch • Close the fuel and water taps of the heating and domestic hot water system. 27 ENGLISH OFF and adjust the (OFF), wait for 5-6 seconds and Table of Contents Previous Page Next Page

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