8. TROUBLESHOOTING
| PROBLEMS | SOLUTIONS |
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| • Check breaker or fuse in main |
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| distribution panel. |
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| • Check there is 120V at the |
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| electrical outlet. |
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| • Make sure the unit main switch is |
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| 1.Unit does not start at Normal | properly set in Normal or Boost |
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| or Boost position. | position. |
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| • If a wall control (C12 / CM or |
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| C34 / CMR) is connected, |
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| disconnect control wire from the |
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| unit, then make sure the unit |
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| main switch is properly set in |
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| Normal or Boost position. |
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| • If a wall control (C12 / CM or |
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| 2. Unit does not run at Normal | C34 / CMR) is used, disconnect |
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| speed, but runs at Boost. | control wire from the unit. Then, if |
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| the unit runs at Normal speed, |
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| chech control wiring and wall |
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| control connections. |
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| 3. Unit is not operating as per | • Check if the unit main switch is in |
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| “Normal/Remote” position. |
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| the selected mode. |
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| • Check wall control wiring. |
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| 4. Wall control indicators do not work | • Check wall control wiring. |
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| properly or not at all. |
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| 5. On C34 / CMR wall control only, 1 or | • Check if the unit main switch is in |
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| 2 light indicators are flashing | “Normal/Remote” position. |
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| every second. | • Check wall control wiring. |
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If the problem is still not solved, call your installer or the nearest approved Service Center.
Also, you can reach the Customer Service Department at the following telephone numbers:
Exclusively for models HEPA 1000, HEPA 2000, HEPA 3000 and HEPA 4000:
1 800
Exclusively for models HF 1.0, HF 2.0 and HF 3.0:
1 866
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