58
Read flue gas temper
ature on User
Interface.
Is temper
ature higher than 200°F ?
YES
NO
Boiler is o
ver fired. W
ait
for boiler to cool. Fix
flow r
ate problem if an
y,
purging all air out of the
system.
Replace Flue Gas Sensor
Replace Control Module
Use thermal couple to measure flue
gas temper
ature through sampling
port. Is the measured temper
ature
and flue temper
ature reading on User
Interface significantly different?
YES
NO
Blocking Error
Flue Gas Error
13 - TROUBLE SHOOTING
E
39
P/N# 240008888, Rev. O [07/15/2015]
Summary of Contents for Dunkirk Helix DKVLT-050
Page 48: ...48 13 TROUBLE SHOOTING P N 240008888 Rev O 07 15 2015...
Page 52: ...52 13 TROUBLE SHOOTING P N 240008888 Rev O 07 15 2015...
Page 54: ...54 13 TROUBLE SHOOTING P N 240008888 Rev O 07 15 2015...
Page 67: ...67 14 WIRING DIAGRAM 14 3 Connection Diagram 150 200 299 MBH P N 240008888 Rev O 07 15 2015...
