Dimplex TDS8515 - Page 20

19
TDS8515
TROUBLESHOOTING GUIDE
HEATER (CONTINUED)
Problem Cause Solution
Service Manual
Reference
Heater Turns Off
after a few minutes
of operation but
flame stays On
Build up of dirt in heater
assembly
Vacuum/Clean Heater
Assembly
Build up of dirt in Purifire
Filter
Clean/Replace Filter Page 10
Defective Heater Assembly Replace Heater Assembly Page 12
Heater fan runs
continuously
Loose wiring Trace wiring in unit Page 5
Defective heater on/off switch Replace heater on/off switch Page 11
Defective heater assembly Replace heater assembly Page 12
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 12
Grinding or
excessive noise
with the heater off
Moving flame rod hitting or
rubbing against internal
components
Flame rod replacement Page 14
Defective flame motor Replace flame motor Page 14