A.O. Smith CAWH 8-455-12, Installation, User And Service Manual

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9.4 Appliance status
Fig. Appliance status submenu
The Appliance Status submenu shows detailed information of the appliance:
Status Current status of the appliance.
Mode Current mode of the appliance.
Upper element On or Off
Lower element On or Off
Fan On or Off
Compressor On or Off
4 Way valve status Current status of the 4 Way Valve.
EEV steps Displays the pulses sent by the CCB
Power voltage Displays the supply voltage
9.4.1 Operating status
Status Description
Standby The water heater is not in an active heating cycle. That is, when: the Tank temperature is at
or above the Operating setpoint
Defrosting Frost has accumulated on the evaporator and the water heater control is performing a de-
frosting cycle.
Heating The control system is in Heating mode.
Fault The control system has detected a Fault condition. Heating operation is disabled until the
Fault condition is corrected. Power to the water heater must be cycled off and on at the
breaker to reset the control system.
Note
Some faults are automatically reset by the control system and do not require recycling
the power.
Note
Cycling power will not reset the control system if the condition that caused the Fault has
not been corrected.
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52 Installation, Maintenance and Service part
EN