Troubleshooting
Problem | Possible Cause |
| Remedy | |||
Failure to | 1. | No electrical power to | 1. | Check power | ||
start or no air |
| unit |
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delivery |
| • | Fuse blown |
| • | Replace fuse |
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| • | Circuit breaker |
| • | Reset breaker |
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| tripped |
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| • | Electric cord un- |
| • Plug in cords or | |
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| plugged or damaged |
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| replace if damaged |
| 2. | Belt too loose or tight | 2. | Adjust belt tension | ||
| 3. | Motor overheated | 3. | Determine cause of | ||
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| overheating | |
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| • | Belt too tight |
| • | Adjust belt tension |
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| • | Blower bearings dry |
| • | Oil blower bearings |
| 4. | Motor locked | 4. | Replace motor | ||
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Inadequate | 1. | Insufficient air exhaust | 1. | Open windows or | ||
air delivery |
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| doors to increase air | |
with cooler |
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| flow | |
running | 2. | Belt too loose | 2. | Adjust belt tension or | ||
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| replace if needed | |
| 3. | Pads plugged | 3. | Replace pads | ||
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Inadequate | 1. | Inadequate exhaust in | 1. | Open windows or | ||
cooling |
| house |
| doors to increase air | ||
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| flow | |
| 2. | Pads not wet | 2. | Check water distribu- | ||
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| tion system | |
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| • | Pads plugged |
| • | Replace pads |
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| • Open spots in pads |
| • | Repack pads | |
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| • | Trough holes |
| • | Clean trough and |
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| clogged |
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| unplug holes |
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| • | Pump not working |
| • | Replace or clean |
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| properly |
|
| pump |
Problem | Possible Cause |
| Remedy | |||
Motor cycles | 1. | Low voltage | 1. | Check voltage | ||
on and off | 2. | Excessive belt tension | 2. | Adjust belt tension | ||
| 3. | Blower shaft tight or | 3. | Oil or replace bear- | ||
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| locked |
| ings | ||
| 4. | Bearings dry | 4. | Oil bearings | ||
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Noisy | 1. | Bearings dry | 1. | Oil bearings | ||
| 2. | Wheel rubbing blower | 2. | Inspect and realign | ||
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| housing |
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| 3. | Loose parts | 3. | Tighten loose parts | ||
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Excessive | 1. | Inadequate exhaust | 1. | Open doors or win- | ||
humidity in |
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| dows | |
house |
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Musty or | 1. | Stale or stagnate water | 1. | Drain pan and clean | ||
unpleasant |
| in cooler |
| pads | ||
odor | 2. | Pads mildewed or | 2. | Replace pads | ||
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| clogged |
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| 3. | Pads not wetting | 3. | Check water distribu- | ||
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| properly |
| tion system | ||
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| • | Trough holes |
| • | Clean |
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| clogged |
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| • | Pump not working |
| • | Replace or clean |
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| properly |
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| pump |
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Water drain- | 1. | Float arm not adjusted | 1. | Adjust float | ||
ing from |
| properly |
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cooler | 2. | Drain assembly leak- | 2. | Tighten nut and drain | ||
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| ing |
| cap. | ||
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| Specifications / | Especificaciones |
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| Weight (lbs.) | |
Model | Volts | Amperage | Speed | Water Capacity (gal) | Peso (libras) | |
Modelo | Voltios | Ameraje | Velocidad | Capacidad de Agua (galón) | Dry | Operating |
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| Seco | Lleno |
M201A | 115 | 4.7 | 2 | 4.8 | 62 | 102 |
M301A / RM301A | 115 | 7.9 | 2 | 9.2 | 107 | 184 |
M401A / RM401A | 115 | 10.5 | 2 | 11.3 | 169 | 263 |
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