Bradford White ERE240 Service Manual page 7

General Troubleshooting Table
LED Status
OFF (LED not flashing)
Alternating Green and Amber Flashes
Solid Green
1 Flash Green then off for 4 seconds
2 Flashes Amber then off for 4
seconds
3 Flashes Amber then off for 4
seconds
4 Flashes Amber then off for 4
seconds
5 Flashes Amber then off for 4
seconds
6 Flashes Amber then off for 4
seconds
7 Flashes Red then off for 4 seconds
*for additional diagnostic steps see the corresponding steps in "Flash Code Utilization for Basic Troubleshooting".
Control Status
No power is present to control
Control is in StartGuard™
Mode. This mode runs prior to
the first heating cycle or after
replacing a failed heating
element.
Thermostat satisfied: No faults
Element is on, heating water
Heating element fault detected
Power Switch Module Fault
Detected
Temperature Sensor Fault
Detected
Controller Fault Detected
Demand Response Event Active
High Temperature Detected
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Probable Cause*
1)
Power is not connected to water
heater.
2)
Control power connector is
disconnected.
Power was recently applied following
detection of a failed heating element OR
the water heater is powered and is
turning on heating elements for the first
time by a new controller.
If this LED status persists for significantly
longer than 5 minutes, there may be air
in the tank or the control may be
damaged.
Water heater is operating normally.
Water heater is operating normally.
Element malfunction
1)
Power Switch Module is not tightly
coupled to tank wall.
2)
Power Switch Module is not
functioning correctly.
1)
Upper Temperature
Sensor is disconnected.
2)
Power Switch Module disconnected.
3)
High Temperature limit
has switched open.
Controller not functioning properly.
The CTA device connected to the water
heater is controlling the setpoint. If you
find that the tank is too cold, move the
Setpoint Knob and the control will resume
normal operation.
Upper or lower temperature sensor has
detected an excessive temperature.
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