troller has evaluated as not safe to restart the water heater. In this case, the boiler control will be
locked out, the red FAULT Light will be lit steadily and the message “LOCKOUT” will be displayed on
the readout on the lower line. The Phoenix Evolution will not start until a qualified technician has
repaired the boiler and pressed the RESET button for more than 1 second. If there is an error mes-
sage displayed on the readout and the message “LOCKOUT” is not displayed and the FAULT light is
not lit, then the message is the result of a temporary condition and will disappear when the problem
corrects itself. IMPORTANT NOTE: If you see error messages on your display readout, call a techni-
cian immediately since the message may be indicating that more serious problems will occur soon.
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. EVOLUTION CONTROL ERROR CODES.
C. APPLIANCE FAULT
1. When a fault condition occurs the controller will illuminate the red “fault” indication light and
display a fault message in the format. The alarm output will also be activated. Most fault conditions
will 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 Fault Code section for an explanation of the
fault message along with several suggestions for corrective actions.
3. Press the reset key 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 re-occurrence of fault message.
D. EVOLUTION CONTROL FAULT CODES
54
TROUBLESHOOTING
PART 12: TROUBLESHOOTING
(CONTINUED)
n
WARNING
When servicing or replacing any components of this water heater be certain that:
• The gas is off.
• All electrical power is disconnected
n
WARNING
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.
n
DANGER
When servicing or replacing components that are in direct contact with the heater
water, be certain that:
• There is no pressure in the heater. (Pull the release on the relief valve to relieve
pressure in the water heater.)
• The heater water is not hot
• The electrical power is off
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