Section 18: Troubleshooting
Note!
Please refer to burner supplement supplied with this manual where more
specific troubleshooting will be found.
Fault Cause Check
Burner Lockout Burner fault, check sector
lockout occurred on
controls box
Refer to burner
supplement finding chart
Overheat trip Dirty filters, low supply
air
Filters, supply fan belts,
damper operations
Burner held off No enable signal Check BMS/Controls
back via T1 & T2 in
heater interface panel
Main fan runs
continuously
Electrical Summer/Winter switch
set to summer(Manual)
Fan thermostat set to low
Fault Fan/Limit stat
Main fan Fails to run Electrical Fan Motor faulty
Fan/Limit stat faulty
Contactor faulty
Motor on overload
40
To Next Page
Loading...