Eclipse TFB030 Installation Manual page 19

Problem
Cannot achieve full capacity
Cannot initiate start sequence
19
Possible Cause
Combustion air inlet filter is blocked.
Gas pressure too low into the ratio
regulator.
Loading line pressure too low.
Adjusting valve has closed.
Blower is wired incorrectly.
Air pressure switch has not made
contact.
High gas pressure switch has tripped. Check incoming gas pressure. Adjust
Low gas pressure switch has tripped. Check incoming gas pressure. Adjust
Malfunction of flame monitoring
system such as shorted out flame
sensor or electrical noise in the sensor
line.
Purge cycle not completed.
Main power is off.
No power to control unit.
Solution
Clean the filter.
Adjust gas pressure.
Open the zone air control valve to
increase the air volume and pressure.
Recheck all burner settings.
Open the valve to previous setting and
check the input and flue gas settings to
verify proper operations.
A blower wired to turn backwards will
produce approximately 60% of its rated
capacity. Check the rotation of the
blower impeller. If spinning backwards,
have a qualified electrician reverse the
electrical wiring.
Check air pressure switch adjustment.
Check air filter. Check blower rotation.
Check outlet pressure from blower.
gas pressure if necessary. Check
pressure switch setting and operation.
gas pressure if necessary. Check
pressure switch setting and operation.
Have a qualified electrician investigate
and rectify.
Check flame safeguard system, or
purge timer.
Make sure power is on to control
system.
Have a qualified electrician investigate
and rectify.
Eclipse TFB, V2, Installation Guide 310, 11/14/2014