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B. APPLIANCE ERROR
When an error condition occurs, the controller will display a description and code on the display readout.
These error messages and their recommended corrective actions are described in Section D, Appliance
Control Fault Codes.
C. APPLIANCE FAULT
1. When a fault condition occurs, the controller will illuminate the red FAULT light and display a fault
message in the display. The alarm output will also be activated. Most fault conditions also cause the CH
pump to run in an attempt to cool the heater.
2. Note the fault message that is displayed and refer to the Fault Code section for an explanation of the
fault message, along with several suggestions for corrective actions.
3. Press RESET to clear the fault and resume operation. Be sure to observe the operation of the unit for a
period of time to assure correct operation and no recurrence of the fault message.
D. APPLIANCE CONTROL FAULT CODES
When servicing or replacing any components of this appliance, be certain that:
• The gas is off.
•
All electrical power is disconnected.
When servicing or replacing components that are in direct contact with this appliance, be certain
that:
• There is no pressure in the appliance. (Pull the release on the relief valve to relieve
pressure.)
• Appliance water is not hot.
•
Electrical power is disconnected.
Do not use this appliance if any part has been under water. Improper or dangerous operation may
result. Contact a qualified service technician immediately to inspect the heater and repair or
replace any part of the water heater which has been under water.
This appliance has wire function labels on all internal wiring. Observe the position of each wire
before removing it. Wiring errors may cause improper and dangerous operation. Verify proper
operation after servicing.
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