Справочник Пользователя для Burnham FREEDOM 101008-01R1-2/07

A.  Troubleshooting problems where no error code is displayed:

CONDITION

POSSIBLE CAUSES

Display Blank, Fan off, LWCO lights off

• No 120VAC Power at boiler. Check breaker and wiring between breaker panel 

and boiler  

Display Panel Blank, Fan running 

• Loose 120VAC connection wiring between boiler J-Box and MCBA 

• Blown “F1” fuse in MCBA (see Figure 13.2 for location). Replace with 5A fuse 

provided

Display reads “U.125” continuously, Fan running

• Defective AT250 transformer

• Blown “F3” fuse in MCBA (see Figure 13.2 for location). Replace with 4A slow-

blow fuse provided

Boiler not responding to call for heat, Status code on 
display =”0” (see Figure 11.1) 

• Boiler is not seeing call for heat. Check thermostat or zone wiring for loose 

connection, miswiring, or defective thermostat/zone control.

Boiler fi res, but display panel is blank

• Loose ribbon cable 

• Defective display