Troubleshooting Guide - Dimplex BLF7451 Service Manual

TROUBLESHOOTING GUIDE

PROBLEM
General
Circuit breaker trips or fuse
blows when unit is turned on
Lights dim in room while the
unit is on
Appearance
Fireplace does not turn on
with the manual controls
Fireplace does not turn on
with the Remote Control
Flame Frozen
Flame is not visible
Flame Shudder
Media bed does not light up
consistently
Media bed does not light up
Media bed lighting comes
on by itself
CAUSE
Short in unit wiring.
Improper circuit current rating
Unit is drawing close to circuit
current rating
Improper operation
No incoming voltage from the
electrical wall socket
Loose wiring
Defective switchboard
Defective AC/DC Adapter
Improper operation
The batteries in the remote con-
trol are dead.
Defective remote control
Defective display/control board
assembly
Loose wiring
Defective Flicker Motor
Defective display/control board
assembly
Loose wiring
Flame LED light assembly is not
working
Relay board is defective
Defective display/control board
assembly
Defective Flicker Motor
Build up of static electricity in unit
Loose wiring
Media LED light assembly is not
working
Defective display/control board
Defective display/control board
SOLUTION
Trace wiring in unit.
Additional appliances may exceed the
current rating of the circuit breaker or fuse.
Plug unit into another outlet or install unit on
a dedicated 15 amp circuit.
Move the unit to another outlet or install unit
on a dedicated 15 amp circuit
Refer to Operation Section
Check Fuse/Breaker Panel
Check wiring connections
Replace the switchboard assembly
Replace the AC/DC Adapter
Refer to Operation Section
Install new battery into the remote control.
Replace the remote control
Replace the display/control assembly
Check wiring connections
Replace Flicker Motor
Replace the display/control assembly
Check wiring connections
Replace flame LED light assembly
Replace appropriate relay board (controls 1
amber LED strip or 2 amber LED strips)
Replace the display/control assembly
Replace Flicker Motor
Unplug the unit for 1 minute then plug the
unit back in.
Check wiring connections
Replace media LED light assembly
Replace the display/control board
Replace the display/control board
PART NUMBER
3001520100RP
2100250100RP
6700520200RP
3001640100RP
2000220100RP
3001640100RP
3000830200RP
1 strip: 3000810200RP
2 strips: 300810100RP
3001640100RP
2000220100RP
3001570300RP
3001640100RP
3001640100RP
15