TROUBLESHOOTING FLOW CHARTS
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| See 'No Display' |
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No Hot Water |
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| No |
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| display on? |
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| flowchart |
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Continuous Low |
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| Yes |
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Water |
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| Is there an |
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| See Error |
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Temperature |
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| error |
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| Yes |
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| Message section |
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| message? |
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| of this manual |
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Verify setpoint |
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| No |
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| Check for loose |
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| OK? | ||||||||||
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| wires and tighten |
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| as necessary |
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Verify water inlet |
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pressure and |
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temperature |
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| No |
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| Magnetic |
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| Verifythat all wires |
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| are installed and in |
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| contactor pull |
| No |
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| correct positions |
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OK? |
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| in? |
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| (see wiring |
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| Yes |
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| diagrams) |
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| No |
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| Yes |
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Correct fault |
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condition |
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| Yes |
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| No | |
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| Correct amps |
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| Replace faulty | ||||||||||
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208/240V
at contactor
coil?
No
Verify T1000 configuration settings. Replace control board, if needed
Yes
Replace contactor
OK?
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| No |
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| at elements? |
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| element | ||||||||
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Unit properly |
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sized? |
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| Yes |
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| No |
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| Plug probe end into RJ45 pigtail |
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| (not supplied). Check ohms |
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| across terminals 1 and 4 |
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Replace with |
| (see diagrams 1 & 2). Compare |
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correctly sized unit |
| this with the ohms the thermistor |
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| should supply for the actual |
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| temperature in the tank |
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| No |
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OK? | No | Contact factory |
Yes
No
Diagram 1
Thermistor Resistance vs Temperature (error ±3%)
70°F = 11883Ω 80°F = 9299Ω 90°F = 7334Ω 100°F = 5828Ω 110°F = 4664Ω 120°F = 3758Ω 130°F = 3048Ω 140°F = 2488Ω 150°F = 2043Ω 160°F = 1687Ω 170°F = 1400Ω 180°F = 1169Ω 190°F = 980Ω
| Replace probe |
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| OK? |
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Diagram 2 |
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| To verify that | ||
| Blue |
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| 1 | there is water |
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Yellow |
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| 2 | in the tank | |
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| Green |
| Probe End |
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| 3 | check for | ||
| Red |
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| 4 | continuity | ||||
| Black |
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| 5 | between |
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| White |
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| 6 | yellow(#2) and |
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23
