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