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FAULT AND ALERT MESSAGES (CONT)
Call the technical support phone number listed on the back cover for further technical assistance or to locate a qualied service agent in
your area.
POSSIBLE CAUSES - CHECK/REPAIR DISPLAYED FAULT/ALERT MESSAGE
The control system has detected the Blower Prover Switch •
contacts are closed when they should be open at the beginning of
a heating cycle.
Pinched/shorted Blower Prover Switch wiring.•
Jumper wire connected to the Blower Prover Switch - remove •
jumper wire. Jumper wires must never be used, read all Warnings.
Excessive wind outdoors pressurizing the vent system piping.•
Excessive negative air pressure in the installed space.•
CHANGE BACK
ADVANCED
Blower Prover Failure
Fault occurred 2 mins ago
The blower prover switch is
closed out of sequence.
Call a service professional:
Your Company Name Here
(press [DOWN] for more....)
The control system has detected the Blower Prover Switch •
contacts are remaining open after the control system has
energized the Combustion Blower.
Loose or open wiring to the Blower Prover Switch.•
Blower Prover Switch air sensing tube disconnected, kinked, led •
with condensate, damaged or leaking - repair or replace tube.
Combustion Blower is not running when energized.•
Loose or open wiring to Combustion Blower.•
CHANGE BACK
ADVANCED
Blower Prover Open
Fault occurred 2 mins ago
The blower prover switch remains
open after the blower has been
energized.
Call a service professional:
Your Company Name Here
(press [DOWN] for more....)
The control system has detected the Blocked Intake Air Switch •
contacts are open.
Loose or open wiring to the Blocked Intake Air Switch.•
Excessive equivalent pipe length, exceeded the maximum number •
of 90° elbows or wrong pipe size used in the intake air piping
system.
Excessive negative air pressure in the installed space.•
CHANGE BACK
ADVANCED
Blocked Air Intake
Fault occurred 2 mins ago
The combustion air intake is
restricted.
Call a service professional:
Your Company Name Here
(press [DOWN] for more....)
The control system has detected the ECO (energy cut out) Switch •
contacts are open.
The ECO switch is a normally closed switch that opens on a •
temperature rise to prevent excessive water temperature in the
storage tank. The ECO switch is inside the Temperature Probe
(two red wires).
Loose or open wiring to the ECO switch in the Temperature Probe •
- two red wires.
CHANGE BACK
ADVANCED
Energy Cut Out (ECO)
Fault occurred 2 mins ago
Tank temperature is excessive.
The water heater has been
disabled.
Call a service professional:
Your Company Name Here
(press [DOWN] for more....)