Service Manual
3Troubleshooting
Table 3E (continued from previous page) Troubleshooting Chart - Fault Messages Displayed on Water Heater Interface
FAULT | DESCRIPTION | CORRECTIVE ACTION |
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| The temperature rise across the heat | • Verify that the system is full of water and that all air |
| exchanger has exceeded the set parameters | has been properly purged from the system. |
|
| |
| for the water heater. | • Verify that the water heater is piped properly into the |
|
| heating system. Refer to Section 6 - System Piping |
|
| of the Armor Water Heater Installation and Operation |
|
| Manual for the proper piping methods for the Armor |
|
| water heater. |
|
| • Check for 120 VAC to the water heater pump motor on |
|
| a call for heat. If voltage is not present, check the |
|
| wiring back to the main control board. Replace the |
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| main control board if necessary. |
|
| • If 120 VAC is present on a call for heat and the water |
|
| heater pump is not operating, replace the pump. |
|
| • Verify that the water heater pump is set to the proper |
Temp O/Shoot |
| speed or that the pump is the proper size. Reference |
| Section 6 - System Piping of the Armor Water Heater | |
(continued) |
| Installation and Operation Manual for water heater |
|
| pump specifications. |
|
|
|
| Outlet water temperature has exceeded the | • Verify that the system is full of water and that all air |
| maximum outlet water temperature. | has been properly purged from the system. |
|
| |
|
| • Verify that the water heater is piped properly into the |
|
| heating system. Refer to Section 6 - System Piping |
|
| of the Armor Water Heater Installation and Operation |
|
| Manual for the proper piping methods for the Armor |
|
| water heater. |
|
| • Check for 120 VAC to the water heater pump motor on |
|
| a call for heat. If voltage is not present, check wiring |
|
| back to the main control board. Replace the main |
|
| control board if necessary. |
|
| • If 120 VAC is present on a call for heat and the water |
|
| heater pump is not operating, replace the pump. |
|
| • Replace the main control board. |
|
|
|
| External control is cycling too often. | • Check set point of the external control. |
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| |
Rem Ctrl Flt |
| • Check the wiring between the external control and the |
|
| unit. |
|
| • Replace the control. |
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|
Parameters | After downloading parameters from a laptop, |
|
Progr | • Press the ENTER/RESET button on the SMART | |
(will require a manual | the main control board must be reset. | SYSTEM display panel. |
| ||
reset once the condition |
|
|
has been corrected. Press |
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|
the RESET button on the |
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|
SMART SYSTEM display |
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to reset.) |
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