Troubleshooting Chart

SYMPTOM

POSSIBLE CAUSE(S)

CORRECTIVE ACTION

 

 

 

 

Fan inoperative

1. Blown fuse or open circuit breaker.

1.

Replace fuse or reset circuit breaker.

 

2.

Electricity turned off.

2.

Contact local power company.

 

3.

Loose cord connection.

3.

Re-check all connections.

 

4.

Defective capacitor or motor.

4.

Replace.

 

 

 

 

Excessive noise

1. Wheel rubbing on housing.

1.

Center wheel.

 

2.

Motor base or blower not securely

2. Tighten mounting bolts.

 

 

anchored.

3.

Replace motor.

 

3.

Defective motor bearings.

 

 

 

 

 

 

Insufficient air flow

1. Improper voltage.

1.

Reconnect to proper voltage.

 

2.

Outlet louvers closed.

2.

Open.

 

3.

Intakes obstructed.

3.

Remove any obstruction.

 

4.

Motor speed setting on low.

4.

Position toggle switch to high.

 

5.

Dirty blower wheels

5.

Clean.

 

 

 

 

Too much air flow

1. Motor speed setting on high.

1.

Position toggle switch to low.

 

 

 

 

Fans cut out on

1. Low voltage.

1.

Verify correct wire size.

thermal overload

2. Obstruction to blower wheel.

2.

Remove obstruction.

(self-resets)

 

 

 

 

 

 

 

 

No heat

1. Fuse link open.

1.

Replace with 4K4204H or 4K9204H.

 

2.

Heater element broken.

2.

Replace with proper Ga. and watts.

 

3.

Control Transformer

3.

Replace with proper item.

 

 

 

 

 

5

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Marley Engineered Products E3609-1125HFD Troubleshooting Chart, Motor speed setting on high Position toggle switch to low

E4806-1125HFD, E4212-1125HFD, E4206-1125HFD, E4209-1125HFD, E3812-1125HFD specifications

Marley Engineered Products has made significant strides in the engineering and manufacturing of cooling solutions, particularly with its series of high-performance fan coil units. The E3612-1125HFD, E4812-1125HFD, E3809-1125HFD, E3606-1125HFD, and E3812-1125HFD models stand out for their robust features and cutting-edge technologies that cater to diverse applications in both residential and commercial settings.

One of the primary features of these units is their compact and efficient design, allowing for ease of installation in tight spaces while maximizing airflow and cooling efficiency. Each model is equipped with a state-of-the-art fan motor that operates quietly and efficiently, ensuring minimal noise disruption in environments where comfort is paramount. The inclusion of advanced motor control technologies also enables these units to adjust their speed dynamically based on cooling demands, further enhancing energy efficiency.

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