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LF UTILITECH 9QH900-E451 - Page 8

LF UTILITECH 9QH900-E451
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8B268
TROUBLESHOOTING
PROBLEM ROOT CAUSE CORRECTIVE ACTION
Temperature will not
change.
Defective control panel
circuit board.
Replace control panel circuit board.
Heater does not
turn on but other
functions work ne.
Manual reset needed.
Turn the POWER to “OFF” and unplug the unit
from the wall outlet for 5 minutes. After 5 minutes,
plug the unit back into wall outlet, and operate as
normal. If the problem persists, contact customer
service.
Unit continues to
run after reaching
set temperature/or
powering o󰀨.
Cool down cycle.
Normal operation. Heater will continue to run
for less than one minute before shutting down.
Times will vary based on temperatures. During
this time cool air will blow.
Heat turns on
randomly.
Ambient room temperature
scan.
Normal operation. The unit will periodically run to
test air temperature. Will run 3 minute of cool air
and 3 minutes of warm air.
Buttons do not work.
Defective control panel
circuit board.
Replace control panel circuit board.
Control panel does
not illuminate.
Defective control panel
circuit board.
Replace control panel circuit board.
How many quartz
heating elements
are in my unit?
Product Inquiry. 3 Infrared Quartz heating elements.
Remote control is
not working.
No batteries Change the remote batteries.
Poor signal
Operate remote transmitter at a slow
measured pace. Press the remote control buttons
with an even motion and gentle pressure.
Repeatedly pressing buttons in rapid succession
may cause the transmitter to malfunction.
Distance
Operate the remote at a distance less than 20
feet from the front of the appliance; point the
remote at the control panel.