Troubleshooting Procedures (cont.)
Symptoms | Probable Causes | Recommended Action | |||
4. | User keypad indicator bar | A. | Control program is locked. | A. | Reset GFCI or ELCB. |
| keeps scanning at |
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| |
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| B. | Wiring harness from user | B. | Check wiring for proper |
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| keypad to control is loose, |
| connections. Replace wiring |
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| disconnected or damaged. |
| harness if necessary. |
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| C. | User keypad does not work. | C. | Replace user keypad. |
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| D. | Control does not work. | D. | Replace control. |
5. | User keypad is | A. | Power cord from pump to | A. | Check wiring for proper |
| illuminated, but pump |
| control is loose, disconnected or |
| connections. |
| won’t start. |
| damaged. |
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| B. | Pump does not work. | B. | Replace pump. |
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| C. | Control does not work. | C. | Replace control. |
6. | Motor runs but pump | A. | Pump is shimmed too high. | A. | Lower pump/control to subfloor |
| won’t prime (cavitates). |
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|
| level. |
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| B. | Small air leak at pump inlet. | B. | Securely tighten nut(s) on intake |
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| side of pump. |
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| C. | Motor/pump does not work. | C. | Replace motor/pump. |
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| D. | Control does not work. | D. | Replace control. |
7. | Pump stops before 18 | A. | GFCI or ELCB tripped. | A. | Identify source of fault, and correct. |
| minutes. |
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| Reset GFCI or ELCB. |
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| B. | Suction is blocked. | B. | Remove obstruction. |
|
| C. | Jets are blocked. | C. | Remove blockage. |
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| D. Motor overheated and | D. Check for blockage at suction | ||
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| protection device activated. |
| and/or jets. Remove blockage and |
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| allow motor to cool. |
8. | Pump does not | A. | A. | See service manual. | |
| automatically stop after 22 |
| disabled. |
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| minutes. |
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9. | Pump won’t turn off | A. | User keypad does not work. | A. | Replace user keypad. |
| when the power button |
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| on user keypad is |
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| pressed. |
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| B. | Control does not work. | B. | Replace control. |
10. | Pump operates but | A. | Motor/pump does not work. | A. | Replace motor/pump. |
| variable speed feature |
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| does not work. |
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| B. | Control does not work. | B. | Replace control. |
11. | Bath water cools while | A. | Water temperature above 104°F | A. | Allow bath water to cool. |
| pump is operating. |
| (40°C). |
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| B. | Heater is turned off on user | B. | Turn heater on. |
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|
| keypad. |
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| C. | Wiring from heater to control is | C. | Check wiring for proper |
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| loose, disconnected or damaged. |
| connections. |
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| D. Heater does not work. | D. Replace heater. | ||
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| E. | Control does not work. | E. | Replace control. |
12. | Noisy operation. | A. | Pump banding straps have not | A. | Cut pump banding straps with tin |
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|
| been cut. |
| snips. |
|
| B. | Dry or dislodged jet | B. | Remove jet, replace and lubricate |
|
|
| (squeal). |
| |
13. | Remote control (if | A. | Batteries improperly installed or | A. | Replace batteries. |
| equipped) does not work. |
| dead. |
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| B. | Antenna on wiring harness is | B. | Replace wiring harness. |
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| damaged. |
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Kohler Co. | 15 |
