Service Manual
3Troubleshooting
Table 3D Troubleshooting Chart - Noisy System
FAULT |
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| CORRECTIVE ACTION |
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| - Supply gas problem. Natural gas pressures |
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| should be | between | 4 | inches | w.c. | and | • Refer to Section 7 - Gas | Connections of | the Armor | ||||
| 14 | inches | w.c. | LP | gas | pressures should | Water Heater Installation and Operation Manual for | ||||||
| be | between | 8 | inches | w.c. | and | detailed information concerning the gas supply. | ||||||
| 14 inches w.c. |
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| • Refer to | the | Gas Valve | Adjustment Procedure on | |
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| page 33 of this manual for the proper gas valve setting. | ||||
| - Gas/air mixture problem. |
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| Verify that the vent/air intake lengths do not exceed the | ||||||||
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| maximum listed in the General Venting section of the | ||||
Noisy |
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| Armor Water Heater Installation and Operation Manual. | ||||
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Operation |
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| • Refer to page 19 in this manual for the burner removal | ||||
| - Dirty/damaged burner. |
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| and inspection procedure. | Clean or replace the burner | |||||||
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| as necessary. |
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| • Refer to Section 6 - System Piping of the Armor Water | ||||
| - Low water flow through the heat exchanger. | Heater Installation and Operation Manual for minimum | |||||||||||
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| flow rates. |
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| - Air in the piping system. |
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| • Properly purge all air from the piping system. |
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| - Low system water pressure. |
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| • Verify system pressure is a minimum of 12 PSI. | |||||||||
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| - Blown fuse. |
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| • Replace fuse F5 on the control board, see page 21 of | ||||||
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No Pump |
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- Faulty pump. |
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| • Replace pump. |
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Operation |
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- Faulty pump relay. |
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| • Replace pump relay. |
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| - Internal fault on control board. |
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| • Replace main control board. |
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Relief Valve | - System pressure exceeds relief valve | • Lower the system pressure below the 150 PSI rating of | |||||||||||
Opening | setting. |
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| the supplied relief valve. |
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| • Check the wiring connections to switch. Wires should | ||||
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| be connected to the common and normally closed | ||||
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| terminals. |
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| • Air intake lengths exceed the maximum allowed | ||||
APS |
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| lengths. Refer to Section 3 - General Venting of the | ||||
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| Armor Water Heater Installation and Operation Manual | |||||
Open |
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| for proper lengths. |
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(will require a |
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| • Check | for | obstruction | or blockage in the air | |
manual reset once the |
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| intake pipes or at terminations. |
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condition has been | Air pressure switch contacts are open. |
| • Check reference hoses connected to the air pressure | ||||||||||
corrected. Press the |
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| switch for blockage or obstruction. |
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RESET button on the |
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| • Inspect the burner. Reference page 19 of this manual | |||||
SMART SYSTEM |
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| for removal | and cleaning procedures. | Replace if | |||
display to reset.) |
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| • Inspect the heat exchanger. Reference page 20 of this | ||||
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| manual for removal and cleaning procedures. Replace | ||||
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| if necessary. |
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| • Faulty air pressure switch. Replace switch. |
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