WARNING: DO NOT
OPERATE ONLYAS WIRED FROM FACTORY.
TROUBLE SHOOTING
Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician.
Read the GENERAL SAFETY INFORMATION section first.
WATER HEATER CONTROL
LED STATUS | PROBLEM |
| SOLUTION | |
| An open earth ground circuit to the | 1. Check that the earth ground connection is | ||
A B C | ignition system. |
| properly connected. | |
|
| 2. | Check that the ground conductor on the | |
|
|
| water heater is properly connected. | |
A B C | Wiring error or a high resistance to | 1. | Check for proper connection of line | |
earth ground. |
| neutral and hot wires. | ||
|
| |||
|
| 2. | Check that the water heater is securely | |
|
|
| connected to earth ground. | |
A B C | Pressure switch remained closed longer | 1. | Pressure switch wiring is incorrect. | |
than 5 seconds after the call for | 2. | Replace pressure switch. | ||
| ||||
| heat began. |
|
| |
A B C | Pressure switch remained open longer | 1. | Pressure switch wiring is incorrect. | |
than 5 seconds after the combustion | 2. | Pressure switch tubing not connected | ||
| ||||
| blower was energized. |
| correctly. | |
|
| 3. | Air intake or exhaust obstructed. | |
A B C | Error in the hot surface igniter circuit. | 1. | Check that all wiring is correct and secure. | |
|
| 2. | Replace hot surface igniter. | |
| System in lockout. | 1. | Gas supply is off or too low to operate. | |
A B C |
| 2. | Hot surface igniter not positioned | |
|
| correctly. | ||
|
|
| ||
|
| 3. | Low voltage to the water heater. | |
|
| 4. | Electric polarity to unit is incorrect - test | |
|
|
| and correct. | |
A B C | Problem in the gas valve driver circuit. | 1. | Turn power to the water heater off for | |
|
|
| 10 seconds and the back on. | |
|
| 2. | Replace gas control valve. | |
A B C | Problem with the internal circuit. | 1. | Turn power to the water heater off for | |
|
| 10 seconds and then back on. | ||
|
|
| ||
|
| 2. | Replace gas control valve. | |
A B C | Problem with the internal circuit. | 1. | Turn power to the water heater off for | |
|
|
| 10 seconds and then back on. | |
|
| 2. | Replace gas control valve. | |
A B C | Flame signal sensed out of | 1. | Replace gas control valve. | |
| proper sequence. |
|
| |
A B C | ECO activated. | 1. | Replace gas control valve. | |
A B C | One of the temperature adjust | 1. | Press and release each of the buttons | |
| buttons stuck closed. |
| once. | |
|
| 2. | Replace gas control valve. | |
A B C | Water temperature sensor is | 1. | Check that all wiring is correct and secure. | |
| either open or short circuited. | 2. | Replace gas control valve. | |
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