Comfort Zone heating and air  conditioning sales service and repair

Furnace repair heating and air conditioining sales service and installation. (905) 403-9914 Mississauga Oakville Burlington, Streetsville, Lorne Park, Port Credit, Etobicoke, Toronto Tankless, humidifier. Redtag furnace, duct cleaning, parts filters air conditioning.

Trane furnace error codes flash codes troubleshooting.

These are some common Trane furnace error codes.

Flashing slow:  Normal no call for heat
Flashing fast:  Normal call for heat
Continuous on:  Replace control
Continuous off:  Check for power
2 flashes:  System lockout (no flame) or reversed polarity
3 flashes:  Pressure switch problem
4 Flashes:  Thermal (limit) protection off
5 Flashes:  Flame sensed with gas valve off 



Flashing Slow Normal - No call for Heat from thermostat
Flashing Fast Normal - Call for Heat from thermostat
Continuous ON Control Board Bad - needs replaced
Continuous OFF Check Power
2 Flashes System Lockout (Retries or Recycles exceeded)
3 Flashes Vent Pressure Switch Error
4 Flashes Open High Temperature Limit Device
5 Flashes Flame sensed when no flame should be present
6 Flashes 115 Volt AC power reversed or Poor Grounding
7 Flashes Gas valve circuit error
8 Flashes Low flame sense signal



Flashing Slow Normal - No call for Heat from thermostat
Flashing Fast Normal - Call for Heat from thermostat
Continuous ON Control Board Bad - needs replaced
Continuous OFF Check Power
2 Flashes System Lockout (Retries or Recycles exceeded)
3 Flashes Vent Pressure Switch Error
4 Flashes Open High Temperature Limit Device
5 Flashes Flame sensed when no flame should be present
6 Flashes 115 Volt AC power reversed or Poor Grounding
7 Flashes Gas valve circuit error
8 Flashes Low flame sense signal
9 Flashes Check ignitor circuit and line "N" to 24 VAC Common voltage ( < 2 volts)
(possible grounding problem)