The following symptoms are normal during operation of the heater.
White smoke or smell at initial use after
purchase.
Flames flashing for a few minutes after
ignition.
Occasionally makes “cracking” noise when
heater is ignited or extinguished.
Part of the heat chamber or the heat
exchanger is heated to a cherry red color.
Warm air will not blow as soon as ignited.
Audible chugging sound from fuel pump
when started first time or after running out
of fuel.
“Ticking” noise.
Machine oil or dust burns of the surfaces of
the burner or heat exchanger.
The burner is cold and igniter is kept running
for a while after ignition.
Expansion and shrinkage of metal parts when
they are heated or cooled.
To prevent uncomfortable cool air from
coming out at the beginning, circulation fan
start up is delayed.
Air is in the pump. However, noise should
stop within 1 minute.*
Noise of fuel pump in operation.
Normal.
Normal.
Occasional yellow flickering in blue flame.
Normal.
When heater is started
or extinguished.
When heater is
in operation.
CONDITION
REASON
SECTION G:
TROUBLESHOOTING
NOTE BEFORE REQUESTING FOR REPAIR AND SERVICES
AUTOMATIC CLEANING SYSTEM
Heater will automatically clean igniter for ten (10) minutes every day at 2:00 a.m. and display “CL:10” on
Digital Indicator if heater is running at that time.
MANUAL CLEANING SYSTEM
Heater will clean igniter for ten (10) minutes manually.
1. Press the “HOUR” button and “MINUTE” button at the same time for more than three (3) seconds when
ON/OFF switch is “OFF”.
2. Display will appear “CL:10” on Digital Indicator. Cleaning will begin and end without any additional
input.
Note: Cleaning igniter is important to prolong igniter life. It is recommended that the igniter be cleaned
once a week.
*If sound from fuel pump does not decrease and heater shuts off, check:
1.
Push red reset button on fuel sump. DO NOT hold down.
2.
Insure that all valves are open and filter is clear.
3.
Insure external fuel tank has fuel and filters are clean.
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