INSUHF0518
11
TROUBLESHOOTING THE FAN HEATER
The following table outlines the most common issues and alerts you could
experience with your fan heater.
If your problem is not listed in the table below or the proposed solution
does not solve the problem, turn the power off and contact our customer
service team.
WWW.STELPRO.COM
450-441-6020
1-866-766-6020
PROBLEM/ALERT
POSSIBLE CAUSE AND SOLUTION
The fan heater is not
operational after installation.
• Make sure the temperature setpoint is not too low.
• Check whether the fan heater’s wiring is correctly connected. See
Connecting the wiring, page 8
.
• Make sure that the circuit breaker corresponding to the heating system in the electrical panel is
closed (ON).
• If the problem persists, the thermostat may be defective. Contact STELPRO Customer Service.
The breaker goes off
when the fan heater starts.
• Check whether the fan heater’s wiring is correctly connected. See
Connecting the wiring, page 8
.
• Make sure the voltage supplied is adequate (see the nameplate).
• Make sure the circuit breaker or fuse is adequate for the requested power.
The temperature setpoint
is never reached.
• Make sure the voltage supplied is adequate (see the nameplate).
• Make sure the unit is powerful enough for the size of the room.
• The fan heater is overheating, and the thermal protection has been triggered. Make sure the unit’s
air inlet and air outlet are not obstructed. Once the cause of overheating is eliminated, the unit will
resume operating after a few minutes.
• If a wall thermostat controls the fan heater, make sure it isn’t defective.
• If none of the solutions above work, one or more of the heating elements may be defective.
Contact STELPRO Customer Service.
The fan heater is operating
continuously.
• Check whether the timer is at zero.
• Make sure the unit is powerful enough for the size of the room.
• If the fan heater never stops, the thermostat or timer may be defective. Contact STELPRO
Customer Service.
The ambient temperature
is too high.
• Make sure the temperature setpoint is adequate.
• If the problem persists, the thermostat may be defective. Contact STELPRO Customer Service.
Heating is not operational.
• The fan heater is overheating, and the thermal protection has been triggered. Make sure the unit’s
air inlet and air outlet are not obstructed. Once the cause of overheating is eliminated, the unit will
resume operating after a few minutes.
• Make sure the temperature setpoint is not too low.
• Check whether the fan heater’s wiring is correctly connected. See
Connecting the wiring, page 8
.
• If the problem persists, the thermostat or one of the heating elements may be defective. Contact
STELPRO Customer Service.
Heating stops, but the fan
continues to run.
• The fan heater is overheating, and the thermal protection has been triggered. Make sure the unit’s
air inlet and air outlet are not obstructed. Once the cause of overheating is eliminated, the unit will
resume operating after a few minutes.
• Make sure the air inlet and air outlet are not obstructed. Clean them, if necessary (see
Maintaining
the fan heater, page 10
), then turn the fan heater back on.
• If the problem persists, it is possible an internal component is defective. Contact STELPRO
Customer Service.
With a wall thermostat:
the fan heater turns on and
off frequently.
• Make sure the wall thermostat is in fan mode.
