Related Manuals for Baxi Luna HT Residential series
Summary of Contents for Baxi Luna HT Residential series
- Page 1 EnErgy-EfficiEnt, EnvironmEntally-friEndly HEating SolutionS Baxi Luna HT Residential Troubleshooting Guide...
- Page 2 WITHIN ARE INTENDED SOLELY AS AN EDUCATIONAL TOOL ASSISTING COMPLETELY QUALIFIED GAS APPLIANCE MECHANICS WHO HAVE SUCCESSFULLY COMPLETED THE BAXI INSTALLATION PROGRAM. USE OF THE INFORMATION HEREIN FOR THE PURPOSES OF ONSITE APPLIANCE CORRECTION BY UNTRAINED PERSONNEL MAY CAUSE EXTREMELY DANGEROUS CONDITIONS, AND MAY VOID THE MANUFACTURER’S WARRANTY.
- Page 3 Baxi Luna HT Troubleshooting Guide RESETTING UNIT IF A FAULT OCCURS, THE DISPLAY READS OUT AN ERROR MESSAGE IDENTIFYING IT. NOTE: IF THE ERROR MESSAGE CONTAINS MORE THAN TWO DIGITS (E.G. E133), THE DISPLAY READS OUT THE FIRST TWO DIGITS “E1”FOLLOWED BY THE LAST TWO DIGITS “33”.
- Page 4 Baxi Luna HT Troubleshooting Guide Baxi Luna HT Troubleshooting Guide Note: It is recommended that a combustion analyzer test be performed at every visit and that the proper adjustments are made if necessary. Error Description Solution Code Disconnect the outdoor temperature sensor and take an ohm reading using chart B.
- Page 5 Baxi Luna HT Troubleshooting Guide Ensure all air is purged from the system and all shutoff valves are open Check boiler and system for leaks Low Water Cut-off Pressure Ensure the pressure in the expansion tank is 11.6 psi E119 Switch Activating Fill the system between 1 and 1.5 bar on the pressure gauge.
- Page 6 Baxi Luna HT Troubleshooting Guide Weak Spark: Make sure you have 3-5 sparks per second and the boiler is grounded Make sure the spark generator is fastened tightly to the mounting bracket If a weak spark persists follow the procedure outlined in the "No Spark" section...
- Page 7 Baxi Luna HT Troubleshooting Guide Make sure there is a bar in the upper left corner of the QAA73 indicating that the DHW mode is on Check the DHW hall sensor to ensure it is connected to the inlet group properly...
- Page 8 Temperature Sensor Testing Chart Temperature VS. Resistance (°C/ ) Part Resistance Gas Valve 380/1.330 1&3 -1250 ±5% 1.450/1.650 1&3 - 1180 ±5% 1.100 EV1–620 ±5% EV2 - 3356 ±5% Pump 380/1.330 ±5% 3 Way Motor 380/1.330 1480 ±5% 380/1.330 ±5% Spark Generator 380/1.330 ±5%...