Operating instructions

57
Read ue gas temperature on User
Interface.
Is temperature higher than 200°F ?
YES
NO
Boiler is over red. Wait
for boiler to cool. Fix
ow rate problem if any,
purging all air out of the
system.
Replace Flue Gas Sensor
Replace Control Module
Use thermal couple to measure ue
gas temperature through sampling
port. Is the measured temperature
and ue temperature reading on User
Interface signicantly different?
YES
NO
3
Blocking Error Flue Gas Error
13 - TROUBLE SHOOTING
E
39