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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Oct sensor fault on an 09 packAGE UNIT : unit will not start

Customer Question

oct sensor fault on an 09 packAGE UNIT
JA: I'll do all I can to help. Tell me a bit more about what's going on so we can help you best.
Customer: unit will not start up on its own
JA: Is there anything else important you think the HVAC Technician should know?
Customer: when gauges are hooked up ..they meg out as compressor not operating properlyu
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.
Submitted: 5 months ago.
Category: HVAC
Expert:  airheatman replied 5 months ago.

What is model on the unit?

Customer: replied 5 months ago.
Rqpm-ao37jk
Expert:  airheatman replied 5 months ago.

OK I have the manual for the unit on my desk.What are you referring to as OCT fault? Is that on thermostat or what?

Expert:  airheatman replied 5 months ago.

I see the Outdoor Coil Temp sensor on the wiring diagram.Is this fault displayed on thermostat or control board in unit?

Customer: replied 5 months ago.
Control board
Expert:  airheatman replied 5 months ago.

1.Will unit come on in Heat or Cool mode?

2.Can you verify the sensor is in tact and wires are connected on board?

Customer: replied 5 months ago.
Blower comes on n cool ..wires intact
Expert:  airheatman replied 5 months ago.

Do you have a meter to check out the sensor?

Expert:  airheatman replied 5 months ago.

If you have an ohm meter,lets unplug the coil sensor from board and check resistance on the sensor.

Customer: replied 5 months ago.
What should it b
Expert:  airheatman replied 5 months ago.

What is current temperature outside?

Customer: replied 5 months ago.
90
Customer: replied 5 months ago.
95
Expert:  airheatman replied 5 months ago.

Somewhere in area of 7 to 8K