TROUBLESHOOTING GUIDE
ELECTRIC INSTANTANEOUS TANKLESS WATER HEATER
Flow Controlled
“EFC” - MODELS
EFC-5500-4-S-10
240V
EFC-6500-4-S-10
240V
EFC-7500-4-S-10
240V
EFC-9500-4-S-10
240V
EFC-8300-2-S-10
208V
EFC-6000-5-S-10
277V
EFC-8000-5-S-10
277V
EFC-9000-5-S-10
277V
EFC-10000-5-S-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
238-43144-00 Rev. 5/02
