Troubleshooting Procedures (cont.)
Symptoms | Probable Causes | Recommended Action | |||
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| E. | Control does not work. | E. | Replace the control. Refer to your |
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| installer or wholesale dealer. |
3. | User keypad is | A. | Control program is locked. | A. | Reset GFCI or RCD. |
| illuminated, but does not |
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| respond to buttons or |
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| outer ring. |
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| B. | P5 plug assembly harness from | B. | Check wiring for proper |
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| user keypad to control is loose, |
| connections. Replace the wiring |
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| disconnected, or damaged. |
| harness if necessary. Refer to your |
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| installer or wholesale dealer. |
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| C. | User keypad does not work. | C. | Replace the user keypad. Refer to |
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| your installer or wholesale dealer. |
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| D. Control does not work. | D. Replace the control. Refer to your | ||
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| installer or wholesale dealer. |
4. Blower motor will not | A. | No water in the bath. | A. | Fill the bath at least 2″ (5 cm) | |
| start. |
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| above the top of the highest air jet. |
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| B. | Power cord from blower motor | B. | Check wiring for proper |
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| to control is loose, disconnected, |
| connections. |
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| or damaged. |
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| C. | Blower motor does not work. | C. | Replace the blower motor. Refer to |
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| your installer or wholesale dealer. |
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| D. Control does not work. | D. Replace the control. Refer to your | ||
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| installer or wholesale dealer. |
5. | Blower motor stops | A. | Blower motor overheated and | A. | Check for blockage at motor vents. |
| running and will not |
| protection device activated. |
| Remove blockage and allow motor |
| immediately restart. |
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| to cool. Refer to dealer or |
| Keypad is illuminated. |
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| wholesale distributor. Otherwise, |
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| refer to ″User keypad is |
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| illuminated, but does not respond |
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| to buttons or outer ring.″ |
6. Blower motor starts, some | A. | Blower motor speed is too low. | A. | Increase speed setpoint to blower | |
| but not all airjets are |
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| motor. |
| bubbling. |
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| B. | Blower motor inlet is blocked. | B. | Clean blower motor inlet. |
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| C. | Blower motor does not work. | C. | Replace the blower motor. Refer to |
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| your installer or wholesale dealer. |
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| D. Blower motor discharge is | D. Check blockage. | ||
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| blocked. |
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| E. | Check valve does not work. | E. | Replace the check valve. Refer to |
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| your installer or wholesale dealer. |
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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. |
7. Blower motor runs but no | A. | Blower motor inlet is blocked. | A. | Clean blower motor inlet. | |
| air bubbles are formed. |
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| B. | Airjets are clogged. | B. | 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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| C. | Check valve does not work. | C. | Replace the check valve. Refer to |
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| your installer or wholesale dealer. |
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Kohler Co. | 11 |
