Furnace issues

[ffej58]

Hello all,
I have a 2015 Windjammer 3008W and my furnace stoped working. I’ve checked the gas and fuses, all good. The blower comes on for a few seconds then shuts off.

Any ideas?

[KKonyha]

If you have gas flowing to the furnace, is your exhaust clear? Sometimes bugs can build a nest in there.

[cboss]

Are you running on battery or on shore power?
If just on battery and if the battery is weak the fan may not develop enough rpm to allow the sail switch to operate.
If on shore power and your converter is good it may be a bad sail switch or just dirty as suggested above.
It would also help if we knew the model number of the furnace.

[Camp1]

Are you getting a spark for ignition?

[Rekab]

Originally Posted by ffej58

Hello all,
I have a 2015 Windjammer 3008W and my furnace stoped working. I’ve checked the gas and fuses, all good. The blower comes on for a few seconds then shuts off.

Any ideas?

Sail switch perhaps? If you hear the igniter and get a flame for a bit and then it goes out after 20 seconds or so I is probably the sail switch.

[tomkatb]

Happened to talk to a tech one day repairing a furnace.

He said, the company who made the most common sail switch made them for years with defects. His company replaces all sail switches in a unit if they touch them!

Typically as you described.

Bugs building homes in the gas parts is also common.