John Wood Envirosense Power Direct Vent (prior to May 2010) - Manual (Page 34)

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actIon:
To get to the current fault information screen, press Menu.
dIsplaY:
actIon:
Press the down button to highlight "current Fault" and press select.
dIsplaY:
actIon:
Press the down button for more information.
dIsplaY:
6. viewing the fault history
The controller for this water heater will store a history of ten of the
last Fault and Alert conditions that occurred. This is stored in the
Fault History. Along with all the information about the fault, including
a estimate time of when the fault occurred, information regarding
the advanced diagnostics for that fault can be accessed at any time.
actIon:
Press the down button for more information.
dIsplaY:
actIon:
Press the down key to scroll through the fault history. If you select
a specific fault or alert, you may press the vIew button to view
details regarding this fault.
dIsplaY:
7. viewing Information about the heater
The electronic control for this water heater monitors many different aspects
of the water to ensure safe and optimal operation. Much of the information
monitored is available to view in two areas of the control. The first is the
"Heater Status" and; the second is "Heater Information." These items can
be selected through the main menu in the same fashion as described
above. In these menus, detailed information about the water heater and
the current status of specific conditions can be found.