User Manual

TRADESMAN ULTRA HEATER
Red Light Constant On
LED light not on
Normal Operation
Does fan
motor run?
Yes
Yes
Does heater
light?
LED light
defective
Replace LED
Is thermostat
set above room
temperature?
Set thermostat
above room
temperature.
Is proper voltage
supplied to heater
power cord?
Check extension cords and circuit breakers.
Repair extension cord, reset breaker, or call
qualified electrician.
No
19
Problem
Defective
Ignition
Control
Does thermostat
receive proper
voltage from
power cord?
Does thermostat
send proper
voltage to
ignition control?
Check for proper voltage delivered
from thermostat to circuit board.
If electrical connections are good,
replace thermostat.
Yes
Yes
Yes
No
No
No
No
LED Flashing
Is air proving
switch shorted?
(Check continuity on
air proving switch in
open and closed
positions).
Yes
If air proving switch is jumered, remove jumper and retest. If switch exhibits short, replace the switch.
One Time Air proving switch contacts are closed before fan motor starts.
Is air proving switch
stuck closed?
Check continuity.
Is air proving switch
binding?
Repair.
No
No
Replace air proving switch
Yes
Yes