mark. The water heater will continue to operate during an Alert condition but the water heater must be serviced by a qualified service agent as soon as possible.
Resetting Control System Lock Outs
To reset the control system from a lock out condition; turn the power supply off for approximately 20 seconds and then back on. Keep in mind; if the condition that caused the Fault has not been corrected, the control system will continue to lock out.
Diagnostic Checks
Note: If you are not qualified and licensed or certified as required by the authority having jurisdiction to perform a given task do not attempt to perform any of the diagnostic or service procedures described in the following section.
If you do not understand the instructions in the following section do not attempt to perform any procedures.
Call the technical support phone number listed on the back cover of this manual for further technical assistance or to locate a qualified service agent in your area.
Electrical Shock Hazard
•Turn off power to the water heater before performing any service.
•Label all wires prior to disconnecting when performing service. Wiring errors can cause improper and dangerous operation.
•Verify proper operation after servicing.
•Failure to follow these instructions can result in personal injury or death.
The following section, Fault And Alert Messages lists some of the messages the control system will display on the LCD when there are operational problems. This is not a complete list. Along with each of the Fault and Alert messages described there will be a list of possible causes and things to check and repair.
Only qualified service agents, as defined in Qualifications using appropriate test equipment, should perform any service procedures on the water heater.
Jumping out control circuits or components can result in property damage, personal injury or death.
•Service should only be performed by a qualified service agent using proper test equipment.
•Altering the water heater controls and/or wiring in any way could result in permanent damage to the controls or water heater and is not covered under the limited warranty.
•Altering the water heater controls and/or wiring in any way could result in altering the ignition sequence allowing gas to flow to the main burner before the hot surface igniter is at ignition temperature causing delayed ignition which can cause a fire or explosion.
Any bypass or alteration of the water heater controls and/or wiring will result in voiding the appliance warranty.
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