Carrier 38TDB- Manuals

Page 3 - User Interface generated Critical Malfunctions:; No communication with indoor unit; Fan Coil generated System Malfunction events:; message, modifications to fan/staging operation will not occur); Furnace generated System Malfunction events:

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 3 User Interface generated Critical Malfunctions: No communication with indoor unit System Malfunction Certain system events can result in the pop-up message “SYSTEM MALFUNCTION CALL TECHNICIAN”. A system malfunctio...

Page 5 - Troubleshooting; Component not found at initial installation:; Mis-wiring in outdoor unit will cause loss of communication

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 5 Troubleshooting The Infinity and Evolution Systems are designed to record and store system faults and events that may be used to help lead a servicer to the root cause of a real or perceived system problem. It sho...

Page 7 - Turn the filter reminder to off in the homeowner’s Advance Setup; Situation: ERV/ HRV Not Recognized By System

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 7 Situation: Clean or Replace Filter is displayed after a short period of time These systems have a feature called TrueSense filter detection. This feature reads the change in static pressure caused by the filter ac...

Page 8 - User Interface Generated Fault Descriptions; User Interface Display; Check wiring and ohm out sensor.

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 8 User Interface Generated Fault Descriptions Fault Description User Interface Display Action Original Models -A models Onboard temp/humidity sensor error NO SENSOR DATA on main screen TEMP/HUMIDITY SENSOR FAULT Sen...

Page 9 - User Interface Generated Fault Descriptions cntd.; Defrost error

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 9 User Interface Generated Fault Descriptions cntd. Fault Description User Interface Display Action Original Models -A models Outdoor unit communication fault ODU COMM FAULT in fault history SYSTEM MALFUNCTION on ma...

Page 10 - Fault Description; SAM radio test failed

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 10 User Interface Generated Fault Descriptions cntd. Fault Description User Interface Display Action Original Models -A models SAM radio test failed Not applicable to original models SAM RADIO TEST FAILED Radio not ...

Page 11 - Outdoor Unit Generated Fault Descriptions; Fault Description User Interface Display

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 11 Outdoor Unit Generated Fault Descriptions Flash Code on Outdoor Board Fault Description User Interface Display Action 38TDB, YDB 598B, 698B 24ANA, 25HNA 187A, 180A, 286A, 288A Original Models -A models 51 32 Low ...

Page 12 - Outdoor Unit Generated Fault Descriptions Cntd.

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 12 Outdoor Unit Generated Fault Descriptions Cntd. Flash Code on Outdoor Board Fault Description User Interface Display Action 38TDB, YDB 598B, 698B 24ANA, 25HNA 187A, 180A, 286A, 288A Original Models -A models 6 71...

Page 14 - Description; Action

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 14 Note: User Interface selections override furnace board dipswitch settings Furnace Generated Fault Descriptions cntd. Flash Code Fault Description User Interface Display Action 32 Low-Heat Pressure Switch Did Not ...

Page 15 - The RPM displayed in the Service screen is actual RPM.

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 15 Checking Airflow, Static Pressure and RPM in the Service Menu • The airflow displayed in the Service screen is requested airflow, not actual airflow. • The static pressure displayed in the Service Screen is calcu...

Page 16 - can be installed to; FIX; a ductwork related problem.

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 16 Infinity / Evolution Zoning Troubleshooting The Infinity and Evolution Zoning systems are unique, in that they prohibit a bypass damper from being installed. This is a new technology that is possible due to the f...

Page 17 - Airflow limits and equipment protection

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 17 Options to control over zone conditioning: • Set airflow limits in small zones to MAX if air noise is acceptable • Set points should be set no more than 3 degrees different from zone to zone • Evaluate duct syste...

Page 18 - Evaluate structure for zoning suitability; The steps below occur when Blower Cutback has been initiated:; Reduce CFM request down to minimum CFM described above; Options if EXCESS STATIC PRESSURE is active in Last 10 Events:; Evaluate duct design and make improvements where necessary; Zoning

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 18 • Evaluate structure for zoning suitability Zoning system will not run or shuts down intermittently. “EXCESS STATIC PRESSURE” appears in the last 10 faults System may be held off until more zones are calling. If ...

Page 20 - Cycling power does not tell the system a new component

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 20 Before condemning the User Interface or circuit board Re-install the system: In some situations, there may have been changes and additions to the system set up after initial installation. This can cause problems ...

Page 21 - Troubleshooting Communication Bus; CAN NOT FIND INDOOR UNIT

Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2) 10-12-2006 21 Troubleshooting Communication Bus Connect UI to indoor unit at the indoor unit. CAN NOT FIND INDOOR UNIT Disconnect O.D. unit and all other devices on ABCD bus except indoor unit and UI. Cycle system power. Indoo...