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Heating Problems/Z Model/Duplex System |
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Trouble shooting a Z model spa, with 1 or 2 pumps and the H139000 Duplex control, that is not heating. (The Duplex control has a knob to adjust temperature, 1 button to control the various modes and a heat indicator lite.) Applies to 115V & 230V units. |
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Heat Indicator Lite is flashing on a Z Model Spa with a Duplex System and the Unit will not turn on. |
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If the Heat Indicator Lite is flashing and the unit will not turn on use this guide to isolate the problem. |
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Heat Indicator Lite is flashing on a Z Model Spa with a Duplex System and the pump is running. |
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In the filter heater mode the pump is running and the heat indicator is flashing off & on. All functions work but the unit is not heating. |
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Display shows "OH" Message on a Spa with a Digital System |
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Troubleshooting a spa with digital controls that displays "OH" message and nothing happens when buttons are pushed. Applies to Jacuzzi Brand spas with Platinum, Standard and Select series controls built between 1995 and 2001 and digital Z model spas. |