Service manual

BF5000NT, BF5000NT, EF2604, SF2603, DF2603

TROUBLESHOOTING GUIDE

HEATER (CONTINUED)

Problem Cause Solution

Service Manual

Reference

Heater fan runs

continuously

Loose wiring Trace wiring in unit Page 7

Defective heater on/off switch Replace heater on/off switch Page 14

Defective heater assembly Replace heater assembly Page 17

NOISE

Problem Cause Solution

Service Manual

Reference

Excessive noise

with the heater on

Dirty blower assembly Clean blower assembly

Defective blower assembly Replace heater assembly Page 17

Grinding or

excessive noise

with the heater off

Moving flame rod hitting or

rubbing against internal

components

Flame rod replacement Page 13

Defective flame motor Replace flame motor Page 13

1367 Industrial Road Cambridge ON Canada N1R 7G8

1-888-346-7539 www.dimplex.com

In keeping with our policy of continuous product improvement, we reserve the right to make changes without notice.