Troubleshooting - HeatStar HS115SF Operating Instructions And Owner's Manual

NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
Symptom
Blower does not come on
Blower runs but the burner does not ignite
Unit producing little heat or no heat.
Heater will not shut down
Unit will not turn on with thermostat installed
Unit will not turn off with thermostat installed.
Red HLS fault light is on (Figure 12)
FOR FURTHER ASSISTANCE
If after you have reviewed the trouble shooting in this
manual and you still require assistance please use any of
the following methods to contact our technical service
department. We will do our absolute best to resolve any
issues or problems that arise. Most problems can be solved in
just a few minutes.
Forced-Air Single-Fuel NOMAD Construction Heater

Troubleshooting

1. Make sure the switch is either in the "POWER ON" or "FAN
ONLY" positions.
2. Verify the extension cord being used is not too long.
3. Check power source is 110 V.
4. Verify the setting on the thermostat is higher than the
temperature in the space to be heated.
1. Make sure the switch is in the "POWER ON" position and
not in the "FAN ONLY" position.
2. Verify that the fuel connected to the unit is turned on and
flowing. It may take a few cycles to get all the air out of
the lines.
3. Make sure the rate selection valve is in the desired position
for the setting (HI or LO) that you desire.
1. Make sure the switch is in the "POWER ON" position and
not the "FAN ONLY" position.
2. Make sure the rate selection valve is in the desired position
for the setting (HI or LO) that you desire.
3. Verify that the fuel pressure being supplied to the heater is
adequate. Refer to the specification table in this manual for
required pressures.
4. Make sure the factory supplied hose and regulator are
being used.
1. Verify the switch is in the "POWER OFF" position and not in
the "POWER ON" or "FAN ONLY" positions.
2. Check current setting on the thermostat. Is it set to a
temperature higher than the space being heated?
3. Heater will only cycle on and off when optional thermostat
is installed.
1. Verify that the thermostat is installed correctly. Heater will
only cycle on and off when the optional thermostat is
installed.
2. Verify the setting on the thermostat is higher than the
temperature in the space to be heated.
3. Check that the power switch is in the "POWER ON"
position. The thermostat will only cycle on and off if the
power switch is in the "POWER ON" position.
1. Verify the setting of the thermostat is lower than the
temperature in the space being heated.
2. Verify that the thermostat is installed correctly, the unit
may just be on the on position.
3. Heater may be undersized or for the space being heated.
1. Verify that the path of heat is not obstructed.
2. Check for blockage in the duct and at the end diffuser
HOURS ARE: Monday- Friday 8:00am until 5:00pm
CALL: 866-447-2194
FAX: 800-321-0552
VISIT: HEATSTARBYENERCO.COM
INQUIRIES IN CANADA ONLY
PLEASE CALL: 877-477-3353
VISIT IPSPOWER.COM
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Operating Instructions and Owner's Manual