Troubleshooting - Burnham ALPINE Installation, Operation And Service Instructions

XiV. Troubleshooting
Troubleshooting problems where no error code is displayed.
A.
Condition
Display Blank, Fan off, LWCO lights off, no green
power light on Sage2.1 Controller
Display Panel Blank, Fan running
Boiler fires, but display panel is blank
Boiler not responding to call for heat, Status screen
reads "Central Heat T-Stat Off"
Boiler not responding to a call for heat, "Standby"
status is showing.
Boiler not responding to Domestic Hot Water Heat
Request
Boiler Running but System or Boiler Circulator is not
running
Home is cold during mild weather days
Home is cold during cold weather days
11
WaRning
Turn off power to boiler before working on wiring.
No 120VAC Power at boiler. Check breaker and wiring between breaker panel and boiler.
• Loose 120VAC connection wiring between boiler J-Box and transformer
• Loose 24 Vac connection wiring between transformer and Sage2.1
• Loose 5 Vdc connection wiring between display and Sage2.1
• Loose 5 Vdc connection wiring between display and Sage2.1
• Defective display
Boiler is not seeing call for heat. Check thermostat or zone wiring for loose connection,
miswiring, or defective thermostat/zone control.
Boiler is not firing. There is no call for heat or there is a call for heat and the temperature is
greater than setpoint.
Boiler is not sensing Domestic Hot Water Heat Request. Check wiring for loose connection,
miswiring, or defective indirect water heater aquastat.
• Check wiring for loose connection, miswiring
• When there is a Domestic Hot Water Heat Request the System or Boiler pumps will be
forced "off" when there "Run Pump for" parameter is set to "Central heat, off DHW
demand" or "Central Heat, Optional Priority". This has been set to allow all of the heat
to be provided for fast indirect water heater recovery. After one hour of "priority
protection" or the end of the Domestic Hot Water Heat Request the system and boiler
pumps will be free to run.
• Increase Low Boiler Water Temperature parameter 5°F per day.
• Increase High Boiler Water Temperature parameter 5°F per day
Possible Cause