Check wire harness connections between gas valve and control module. Unplug connection at blower and at control module and check continuity between ends. Verify all isolation valves are open and circulators are programmed into the control module properly. Follow procedure for above for SHORT and OPEN sensor conditions to properly diagnose sensor. If not, check external line switch and fuse or breaker. Remove sources of hydrocarbons in or near boiler area. Manual reset of control module if contacts are open longer than 5 seconds. Troubleshoot and correct the power supply to the senesce switch. Check wire harness for loose connections and pin engagement at blower connections, chassis mount connection through control housing, and control module. If problem persists after checking items above replace control module. Weil McLain Boilers – Common Issues. Occurs when supply water temperature in heat exchanger rises faster than 2°F per second during the first two minutes the burner is on. Check for leaks in boiler or piping. Check all the temperature readings of the boiler on the DIAGNOSTICS - TEMPERATURES menu to determine if any sensors are currently displayed as SHORT or OPEN. Have qualified service technician adjust limit to higher setting. Brand: Weil-McLain … Check for low water condition in system. Provide outside air for combustion. If problems persists, check low voltage terminal strip and wire harness. Have qualified service technician check expansion tank operation. Frequent release of water through relief valve. This is normal unless the sensors were installed. Check combustion settings on high and low fire and adjust per setup instructions if necessary. In some cases, deposits will be too heavy to remove with de-liming procedures. If problem persists, replace control module. Retry. In the next section are Weil McLain boiler troubleshooting tips the pros use to determine verify what is wrong. Reset using manual reset screen on display. Occurs wtien flue temperature sensor exceeds 216°F, Automatic reset occurs if temperature drops below 216°F for 2.5 minutes. The circulator pump starts and runs fine. ... Return/Supply Sensor Kit for Ultra Gas Boilers (Size 310) 383-500-300 Return/Supply Sensor Kit for Ultra Gas Boilers (Size 310) SKU: 383-500-300. Inspect wiring and high voltage terminal strip for defects. Free appliance repair help, parts and troubleshooting advice for nonprofessionals. Perform steps in the order. What boiler comes on but will not go off again what might be the problem. 28 Flame inspection window Flu Temperature Sensor for Ultra Gas Boilers 383-500-055 Flu Temperature Sensor for Ultra Gas Boilers. Occurs when a return water temperature rs greater than the corresponding supply temperature by 10°F or more. Modulating Condensing Boiler with 10:1 Turndown. Inspect flame and conduct combustion test. Have qualified service technician remove and clean coil and drain, and flush boiler to remove stop-leak. Reset 240°F for CG, CGA, CGx Boilers SKU : 510-300-014 Brand : Weil-McLain If 120Vac power at blower motor and it doesn't start replace blower. … Verify water pipe is installed correctly. GOLD CGI 2 SERIES boiler pdf manual download. condensing boilers-combi and heating only models (132 pages), Series 3 oil-fired water boilers (12 pages), Gold series oil-fired water boilers (44 pages), Oil-fired natural draft water boiler (32 pages), Weil-mclain oil-fired boiler manual (23 pages), Weil-mclain oil-fired boiler instruction manual (12 pages), Manual will be automatically added to "My Manuals", Commonwealth of Massachusetts Installations, DIRECT VENT - Sidewall with W-M Vent/Air Plate, DIRECT VENT - Sidewall with Separate Pipes, DIRECT VENT - Vertical with Separate Pipes, Concentric Termination, Typical (Sidewall or Vertical), Vent and Air Piping and Boiler Connections, Weil-McLain WM97+ User's Information Manual, Boiler Weil-McLain WM97+ Brochure & Specs, Boiler Weil-McLain FLAME GUARDIAN WMBC-1A Control Supplement, Boiler Weil-McLain Aqua Balance WMB-155 Manual, Boiler Weil-McLain WTGO Installation And Start-Up Manual, Boiler Weil-McLain WGO Maintenance & Service Manual, Boiler Weil-McLain AFG Instruction Manual, Page 18: Commonwealth Of Massachusetts Installations, Page 21: Direct Vent - Sidewall With W-M Vent/Air Plate, Page 23: Direct Vent - Sidewall With Separate Pipes, Page 25: Direct Vent - Sidewall Concentric, Page 27: Direct Vent - Vertical With Separate Pipes, Page 29: Direct Vent - Vertical Concentric, Page 31: Concentric Termination, Typical (Sidewall Or Vertical), Page 32: Vent And Air Piping And Boiler Connections, Page 36: Verify The Application Will Work, Page 50: Express Setup - Using Default Settings, Page 67: Maintenance, Date And Time Menus, Page 75: Annual Startup And General Maintenance, Page 106: Installation And Service Certificate, Page 107: Wm97+ Gas Boiler Data Collection Sheet. 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