3 Troubleshooting
Table 3E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Operator Interface
FAULT | DESCRIPTION | CORRECTIVE ACTION |
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| The unit has failed to prove burner flame | • Inspect igniter and associated wiring for damage and | |||
| upon ignition. | connection. | Reference page 25 of this manual for | ||
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| removal and cleaning procedure. | Replace | if | |
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| necessary. |
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|
| • Check for proper electrical grounding of unit. |
| ||
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| • Check incoming supply gas pressure. Refer to the | |||
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| Gas Connections Section in the Installation and | |||
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| Operation Manual for detailed information concerning | |||
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| the gas supply. |
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| |
|
| • Verify that the tube from the gas valve to the combustion | |||
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| air chamber is connected and is not damaged. |
| ||
No Flame Ign |
| • Verify that the vent/air intake pipes are correctly | |||
(Will require a manual |
| installed and that there are no obstructions. |
| ||
reset. Press the RESET |
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|
button on the SMART |
| • Inspect the | burners. Reference pages | 26 and | 27 |
SYSTEM display to reset.) |
| of this manual for removal and cleaning procedures. | |||
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| Replace if necessary. |
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| |
|
| • Refer to the Checking Manifold Gas Pressure and | |||
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| Combustion Analysis Procedure on pages 27 and 28 | |||
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| of this manual for the proper settings. |
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| |
|
| • Check for 24 VAC to the gas valve during the ignition | |||
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| attempt. If no voltage is present, check the wiring | |||
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| between the gas valve and the main control board. |
| ||
|
| • Replace the wiring or the main control board as | |||
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| necessary. |
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|
HSI Current Low | Amp draw of the hot surface igniter did not | • Measure the amp draw of the hot surface igniter during |
(Will require a manual | meet the minimum requirement of 2.6 amps. | the trial for ignition stage. If less than 2.6 amps |
reset once the condition |
| replace the hot surface igniter. |
has been corrected. Press |
| • If more than 2.6 amps replace the control module. |
the RESET button on the |
| |
SMART SYSTEM display |
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|
to reset.) |
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Flame CKT | The main control board has detected an | • Replace the main control board. |
internal fault. |
| |
Error |
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