Eclipse Linnox SP CCS-LS Installation Manual page 21

T
ROUBLESHOOTING
PROBLEM
Support flame appears, but
main burner does not
ignite.
Burner lights and then goes
to lock-out.
The high fire flame is
orange or yellow. Burner
parts are excessively hot.
The low fire flame is orange
or yellow. Burner elements
are glowing.
The low fire flame is weak
and unstable, flame signals
are low.
High fire flame is weak and
blue, flame signals are low.
Burner does not reach its
specified capacity.
Flame has irregular
pattern showing holes.
P (C
ROCEDURES ONTINUED
POSSIBLE CAUSE
Not enough gas:
2nd shut-off valve not opening.
·
· MultiBloc low fire setting too low or
too high.
High fire adjusting valve closed.
·
No flame signal:
Broken flame rod
·
· Dirty UV scanner lens.
· Ignition electrode and flame rod
connections reversed.
Gas / air ratio out of adjustment:
· Gas mixer nozzle blocked.
· Blocked loading line.
· Air mixing plate blocked.
Gas pressure too high:
· High fire adjusting valve too far open.
· Gas ratio regulator failure.
· Too much gas
· Insufficient gas flow to the burner.
Not enough air.
·
· Insufficient gas flow to the burner.
Not enough air:
· Air bv does not open.
· Blower running in reverse.
Inlet or filter blocked.
·
· Burner elements blocked.
Not enough gas (Air is OK):
· Gas pressure into the ratio regulator
is too low.
· Burner elements blocked.
Eclipse Linnox Model CCS-LS, Installation Guide 159, 2/20/04
)
Check wiring to the second
shut-off valve.
Check the output from the
burner programmer.
Open manual ball valve.
Replace coil if necessary.
Adjust ratio controller bias.
Open adjusting valve to correct
pre-setting.
Measure flame signal.
Inspect and clean sensor.
Replace if necessary.
Exchange ignition electrode /
flame rod wiring.
Clean nozzle.
Check / clean loading line.
Clean gas / air mixer.
Check burner data for correct
pressures.
Replace gas ratio-regulator.
Adjust ratio-regulator.
Adjust the low fire setting on
the ratio-regulator.
Adjust combustion air valve.
Clean or replace filter.
Check blower rotation.
Check burner gas adjustment
and re-adjust.
Gas nozzle blocked.
Check air contro lmotor limit
settings.
Check and correct blower
wiring.
Clean inlet or filter. Replace
filter if necessary.
Clean burner elements.
Check for sufficient gas
pressure.
Clean burner elements.
SOLUTION
21