Troubleshooting - Heatilator ECO-ADV-PS35 Owner's Manual

Troubleshooting

Symptom
Slow or smoky start-up
(Cont'd)
Feed system fails to
start
Amber light blinking
No call light. Unit
does not begin start
sequence.
Unit fails to shut off.
42
Possible Cause
Dirty exhaust and/or venting system.
Wet fuel / poor quality fuel
Out of fuel.
#2 snap disc may be defective or tripped.
Vacuum switch not closing. No vacuum.
Defective vacuum switch
Feed system jammed or blocked.
Feed spring not turning with feed motor.
Feed motor defective or not plugged in.
Thermocouple may have failed. Amber light will
blink 3 times, pauses, and keeps repeating
Thermostat not set to a high enough tempera-
ture.
Snap disc #3 tripped or defective.
No power.
Fuse blown.
Connections at thermostat and/or appliance not
making proper contact.
Defective thermostat or thermostat wiring.
Control box defective.
Call light on.
7058-142L • May 29, 2014
Corrective Action
Check for ash build up in unit, includ-
ing behind rear panels, fi rebox, exhaust
blower and venting.
Replace fuel
Check hopper, fi ll with fuel.
Reset or replace snap disc
Check vacuum fi tting on auger tube for
restrictions. Check door rope and replace
if necessary.
Check exhaust blower is plugged in and
operating.
Check vacuum switch is plugged in.
Check vacuum hose is in good condition,
clear and connected at both ends.
Check thermocouple is in good condition
and plugged in properly.
Make sure venting system is clean.
NOTE: High winds blowing into the vent-
ing system can pressurize the fi rebox
causing loss of vacuum.
Replace vacuum switch
Empty hopper of fuel. Use a wet/dry
vacuum cleaner to remove remaining fuel,
from hopper, including feed tube.
Check feed chute for obstructions.
Remove feed assembly & check for
obstruction.
Check that set screw is tight on feed
spring shaft at end of feed motor.
Check connections on feed motor, replace
if defective.
Replace Thermocouple
Adjust thermostat above room tempera-
ture.
Reset snap disc or replace if defective.
Connect to power.
Replace fuse.
Check connections at thermostat and
appliance. Temporarily jump connection to
verify
Replace thermostat or wiring.
NOTE: To test thermostat and wiring, use
a jumper wire at the thermostat block on
the unit to by-pass thermostat and wiring.
Replace control box.
Turn thermostat off.
If call light does not go out, disconnect
thermostat wires from unit. If call light
does go out, thermostat or wires are
defective.