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TROUBLESHOOTING GUIDE
ELECTRIC INSTANTANEOUS TANKLESS WATER HEATER
SERIES TWO
"EFT" MODELS
EFT-15000-4-D-10 240V
EFT-19000-4-D-10 240V
EFT-16000-5-D-10 277V
EFT-20000-5-D-10 277V
All information necessary to troubleshoot this water
heating unit is contained in this fully illustrated
guide. If problems still exist after reading and
carrying out the instructions in this manual, contact
Technical Service at the toll free number
below for assistance.
PHONE TOLL FREE:
1-800-334-3393
238-43143-00 Rev. 5/02
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Summary of Contents for Bradford White EFT-15000-4-D-10
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Page 1: Troubleshooting Guide
TROUBLESHOOTING GUIDE ELECTRIC INSTANTANEOUS TANKLESS WATER HEATER SERIES TWO “EFT” MODELS EFT-15000-4-D-10 240V EFT-19000-4-D-10 240V EFT-16000-5-D-10 277V EFT-20000-5-D-10 277V All information necessary to troubleshoot this water heating unit is contained in this fully illustrated guide. If problems still exist after reading and... - Page 2 General Before removing the front cover, make sure the unit is mounted correctly with the water fittings at the bottom. When correctly mounted, this “ Series Two” water heating unit should look like the diagram to the left. ANY other mounting configuration will prevent the unit from operating properly.
- Page 3 Danger: Disconnect all power to the water heater “Series Two” water heating units are comprised of two individual heating modules . For the purpose of troubleshooting, each of these two modules will be considered separately. Neither of the two will have any effect on the performance of the other. NOTE: Make sure power is “OFF”...
- Page 4 Make sure the PCB’s (Printed Circuit Boards) are correctly mounted: BE SURE ELECTRICTY IS TURNED “OFF” BEFORE PROCEEDING. Make sure the printed circuit board is mounted in the correct position. This is the top set of mounting holes (See diagram below). Failure to mount the PCB in the correct position will cause element burn out and may cause further damage to the unit (This board may have been incorrectly positioned if serviced previously).
- Page 5 Heater Model Number Module Types and Qty. Order Ref Number: & UL Rating Label Thermostatic Flow Controlled EFT-15000-4-D-10 EFT-19000-4-D-10 EFT-16000-5-D-10 EFT-20000-5-D-10 For “Thermostatic” modules only If the indicator light on the circuit board flashes one time very quickly when...
- Page 6 3rd wire from left WARNING Do not use this unit with any pre-heated water feed if the light has illuminated steadily, having performed the above test. The unit in this state must only be fed with cold water. For “Non-Thermostatic” modules only If the indicator light on the printed circuit board illuminates with the water flowing and there is no heating of the water, it is highly likely that the heating element has been damaged.