42 | Jaguar Model |
GENERAL TROUBLESHOOTING GUIDE FOR SERVICE PERSONNEL
WARNING: Only a trained, experienced service technician should perform troubleshooting. Turn off all electrical power to the boiler before servicing.
A.BURNER FAILS TO OPERATE - NO HEAT CAUSE
1.No power, display off, power switch off. Main electric switch open. Blown or defective line fuse.
2.Gas supply valve shut off.
3.Harnesses
4.Operational problem, detected by control.
REMEDY
1.Close switch. Check or replace fuse.
2.Open gas supply valve. Check gas pressure.
3.Check connectors on boiler control.
4.Error code on display can be correlated to specific problems and remedy. Refer to page
B.NOT ENOUGH HEAT
1.Thermostat setting is too low.
2.Boiler water maintained at too low temperature.
3.Circulator not running.
4.Boiler water level too low.
5.Fuel input rate too low.
1.Set thermostat at higher setting.
2.Increase space heating set point temperature. Refer to Table 4 on page 32.
3.With thermostat calling for heat, check for power to circulator. If power is O.K. but circulator is not running, replace circulator.
4.Carefully snap open relief valve handle to determine if boiler is full of water, if not full of water, check for system leaks and check water pressure regulator. Repair any system leaks. Adjust or replace water pressure reducing valve.
5.Check the maximum fuel input firing rate. Refer to page 37 for the procedure.
C.FUMES AND GAS ODORS
1.Leaks in gas piping or accessories.
2.Gas leaks in service line or meter connections.
3.Condensation traps are not full of water.
4.Venting system is physically damaged.
5.Over - firing or poor combustion.
1.Locate leaks and repair.
2.Close service supply valve - shut down boiler and notify utility.
3.Check and fill with water
4.Check carefully and repair. Also, see “Venting System Regular Inspection”.
5.Check the maximum fuel input firing rate and combustion. Refer to page 37 for procedure.