Troubleshooting - Bradford White ERE240 Service Manual

Flash Code Utilization for Basic Troubleshooting
OFF (LED Not Flashing):
1) Turn "OFF" power to the water heater.
2) Make sure that power is applied to the water heater, if that fails, continue with the next step
3) Remove Control Module retaining screw and inspect the connectors on the back of the Control Module,
making sure that they are properly connected.
4) Inspect the wires leading to the High Limit making sure they are all properly fastened as per the wiring
diagram on the back of the Control Module.
5) Reinstall the Control Module and reapply power to the water heater.
6) If problems persist, Replace the Control Module by following the instructions on page 17.
Alternating Amber-Green Flashes:
1) Make sure tank is fully purged of air.
2) Turn "OFF" power to the water heater.
3) Remove the lower handhole cover.
4) Inspect the Power Switch Module to ensure tight coupling to the tank wall.
5) Replace the handhole cover.
6) Re-apply power to the water heater.
7) If the problem persists, the Control Module needs to be replaced. Follow the procedure outlined on page 17.
Solid Green:
If the control is reading solid green and there is still no hot water, move the Setpoint Knob around and turn it
back to the desired setpoint. This should enable the water heater to enter StartGuard™ which will be indicated by
alternate Amber-Green flashes. Or if StartGuard™ has already ran, you should see a single Green Flash indicating
that the water heater is currently heating.
2 Flash Amber code:
1) Turn "OFF" power to the water heater.
2) Check elements with multimeter as shown on
page 12
3) Drain water from the tank.
4) Take out elements and inspect them for damage.
Replace if necessary.
5) Install and re-wire elements
6) Replace insulation and hand-hole covers.
7) Refill tank and check for leaks.
8) Re-apply power to the water heater.
8
High voltage exposure. Use caution when
making voltage checks to avoid personal
8

TROUBLESHOOTING

WARNING
injury.