49-5000561 Rev. 1
TROUBLESHOOTING TIPS
Troubleshooting Tips... Before you call for service
Save time and money! Review the charts on the following pages first and you may not need to call for service.
Problem
Possible Cause
What To Do
Zoneline does not start.
The direct connect kit is not firmly
attached.
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black connector on the end of the power cord is firmly
engaged.
The fuse is blown/circuit breaker
is tripped.
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the fuse or reset the breaker.
The unit is waiting for the
compressor overload protector to
reset.
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resets.
Power Failure.
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prevent tripping of the compressor overload. For this
reason, the unit may not start normal heating or cooling
for 3 minutes after it is turned back on.
Zoneline does not cool or
heat as it should.
Indoor airflow is restricted.
Make sure there are no curtains, blinds or furniture
blocking the air discharge grille or the return air grille.
Outdoor airflow is restricted or
recirculated.
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cause the unit to cycle off due to the compressor
overload protector.
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restrictive for proper performance. Consult your
salesperson for assistance.
The thermostat control may not be
set properly.
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NOTE:
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temperature range.
The air filter is dirty.
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and Cleaning section
The room may have been hot or
cold.
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time for the room to cool down or warm up.
Burning odor at the start
of heating operation.
Dust on the surface of the heating
elements.
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The air is not always cool
or hot during operation.
The heat pump is not producing
hot air.
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but not as hot as air produced when the higher-cost
electric heat is used.
The Zoneline unit’s fan is
continuously running, even during
the OFF cycle.
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continuous air movement provides better overall
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The air does not feel warm
enough during heating
operation
The heat pump alone produces air
that feels cooler than desired.
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NOTE:
Use of this option will result in increased energy
consumption.
The unit is not blowing
out air
The external wall thermostat’s
“fan” setting may be set to “auto”
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The electric heating and
fan features do not work
The personality jumper is not
firmly attached.
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black connector on the end of the power cord is firmly
engaged.
