Rheem classic 90 plus troubleshooting?

Blower does not come on

IDB comes on, Ing. Lites Burner, Burner Ignites, Blower comes on and Burner shuts off.

14 years old, Rheem Classic 90 Plus, Model #, RGRA-7EMAES, ignitor won't start. Heating contractor replaced the inducer motor, preassure switch, made sure intake & exhaust are clear. Determined that the heat exchanger is clogged? Condensation will not drane when furnace is running. Once the...

For the last month or so my two year old Rheem 90 Classic model #RCGA-36A2GG21XI condensing furnace keeps cycling on for a minute, the flame lights up, the fan comes on and then it turns off. A minute later the same thing happens for about 5 times. Then all of a sudden it works fine. A couple of...

I have a problem with my outdoor Rheem Classic 9 Heat Pump I just reciently changed the fan control relay, after a week of running it seems to be clicking. I problem I had before with the relay was it would not turn the fan. I can tell the clicking is coming from that relay. I don't know if...