Troubleshooting Chart
SYMPTOM | POSSIBLE CAUSE(S) | CORRECTIVE ACTION | ||||
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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. | |||
| 4. Defective capacitor or motor. | 4. Replace. | ||||
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Excessive noise | 1. | Wheel rubbing on housing. | 1. | Center wheel. | ||
| 2. | Motor base or blower not securely | 2. | Tighten mounting bolts. | ||
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| anchored. | 3. | Replace motor. | |
| 3. | Defective motor bearings. |
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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. Dirty blower wheels. | 4. Clean. | ||||
| 5. | Motor rotating in reverse direction. | 5. | Reverse red and black power leads. | ||
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Fans cut out on | 1. | Low voltage. | 1. | Verify correct wire size. | ||
thermal overload | 2. | Obstruction to blower wheel. | 2. | Remove obstruction. | ||
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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. | ||
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