Trane Blower Coil Air Handler BCHE072DAA10A2

Acknowledge understanding of safety precautions

Wear Personal Protective Equipment (PPE)

Disconnect all electrical power to the unit

Is there evidence of standing water or condensate overflow?

Identify and remedy the cause of standing water or overflow

Disconnect all electric power, including remote disconnects before servicing.

Follow proper lockout/tagout procedures.

Verify that no power is present with a voltmeter.

Check fan wheel set screws whenever a component is removed or an adjustment is made.

Adjust fan wheel set screws as necessary.

Ensure the following conditions are met before starting

Disconnect all electrical power to the unit

Disconnect piping from coil headers

Is the opposite side panel removal necessary for sensor or screw access?

Sensor and Switch Disconnection

Disconnect the following switches and sensors

Warning! Hazardous Service Procedures!

Acknowledge understanding of safety warnings

Disconnect all electrical power including remote disconnects

Discharge all energy storing devices such as capacitors

Follow proper lockout/tagout procedures

Is a qualified licensed electrician present for live electrical work?

Unit Inspection and Maintenance

Inspect the unit casing for chips and corrosion

Observe LED5 on the receiver. Is it On solid green?

Verify that the receiver is properly grounded

Press the Test button on the sensor

Is LED5 On solid green indicating proper battery strength?

Check signal strength indicators

Do LED1 and LED3 illuminate in unison on both receiver and sensor?