Troubleshooting (cont.)
Symptoms | Probable Causes | Recommended Action | |||
2. | A. | Electrical harness is wet or | A. | Check for wet connections. Dry the | |
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| damaged. |
| connections and repair the leak. | |
| or Residual Current |
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| Check for insulation or connector |
| Device (RCD) trips when |
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| damage. Replace the harness if |
| bath is turned on. |
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| damaged. |
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| B. | Electrical wiring to the bath | B. | Have a qualified electrician |
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| junction box is wet or damaged; |
| diagnose and correct the problem |
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| or the power amperage is |
| in accordance with applicable |
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| inadequate. |
| building and electrical codes; or |
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| increase the power amperage to 20 |
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| A. |
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| C. | Electrical wiring to the bath | C. | Have a qualified electrician |
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| power cord is wet or damaged. |
| diagnose and correct the problem |
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| in accordance with applicable |
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| building and electrical codes. |
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| D. Blower motor is shorted | D. Replace the blower motor. | ||
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| internally. |
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| E. | Control is shorted internally. | E. | Replace the control. |
3. | User keypad is | A. | Control program is locked. | A. | Reset GFCI or RCD. |
| illuminated, but does not | B. | P5 plug assembly harness from | B. | Check wiring for proper |
| respond to icons or outer |
| user keypad to control is loose, |
| connections. Replace the wiring |
| ring. |
| disconnected, or damaged. |
| harness if necessary. |
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| C. | User keypad does not work. | C. | Replace the user keypad. |
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| D. | Control does not work. | D. | Replace the control. |
4. Blower motor will not | A. | Power cord from blower motor | A. | Check wiring for proper | |
| start. |
| to control is loose, disconnected, |
| connections. |
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| or damaged. |
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| B. | Blower motor does not work. | B. | Replace the blower motor. |
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| C. | Control does not work. | C. | Replace the control. |
5. | Blower motor stops | A. | Blower motor overheated and | A. | Check for blockage at air inlet. |
| running and will not |
| protection device activated. |
| Remove blockage and allow motor |
| immediately restart. |
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| to cool. Refer to ″User keypad is |
| Keypad is illuminated. |
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| illuminated, but does not respond |
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| to icons or outer ring. Blower |
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| motor will not start.″ |
6. Blower motor starts, some | A. | Blower motor speed is too low. | A. | Increase speed set point to blower | |
| but not all airjets are |
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| motor. |
| bubbling. | B. | Blower air inlet is blocked. | B. | Clear blower air inlet. |
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| C. | Blower motor does not work. | C. | Replace the blower motor. |
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| D. Blower motor discharge is | D. Clear blockage. | ||
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| blocked. |
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| E. | Check valve does not work. | E. | Replace the check valve. |
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| F. | Airjets are clogged. | F. | Use a small |
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| dental brush and white vinegar. |
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| Dip the brush in the vinegar, brush |
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| the hole, rinse the brush in clean |
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| water, and then use the wet rinsed |
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| brush to rinse the hole. |
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| G. Some zones are closed. | G. Operate all zones. | ||
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Kohler Co. | 19 |
