Troubleshooting Guide - Dimplex DS7420 Service Manual

TROUBLESHOOTINg gUIDE

PROBLEM
general
Circuit breaker trips or fuse
blows when unit is turned on
Unit turns on or off by itself
Lights dim in room while the unit
is on
Power cord gets warm
Appearance
Stove does not turn on Manually
Stove does not turn on with Re-
mote Control
Flame Frozen
Flame not bright or flame not
visible
Log set dim, not glowing
(DF7420)
Log set dim, not glowing
(DF7425DxL)
Flame Shutter
Light leaking around the log set
CAUSE
Short in unit wiring.
Improper circuit current rating
Remote Control has a similar frequency
to other remotes in the area.
Radio frequency disturbance from out-
side sources.
Defective Remote Control Receiver
Unit is drawing close to circuit current
rating
Normal Operation
Defective power cord
Improper operation
No incoming power from the electrical
wall socket
Loose wiring
Defective Main On/Off Switch
Defective Remote Control Receiver
Improper operation
Remote Control not initialized to stove
Remote Control not working
Defective 3-Position Switch
Defective Flicker Motor
Loose wiring
Burnt light bulbs
Loose wiring
Defective Light Harness
Burnt light bulbs
Loose wiring
Defective Log Set Driver
Defective Flicker Motor
Log set not positioned properly
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.
Replace Remote Control. Initialize to Remote Control
Receiver
Replace Remote Control and Remote Control Re-
ceiver where necessary. Initialize Remote Control and
Receiver
Replace Remote Control Receiver. Initialize to Re-
mote Control and Receiver.
Move the unit to another outlet or install unit on a dedi-
cated 15 amp circuit
The power cord may get slightly warm to the touch
when the heater is on.
Replace power cord if cord gets hot to the touch.
Refer to Operation Section
Check Fuse/Breaker Panel
Check wiring connections
Replace Main On/Off Switch
Replace Remote Control Receiver
Refer to Operation Section
Initialize the Remote Control
Install new battery into the Remote Control. Reinitial-
ize Remote Control where necessary
Replace Remote Control Receiver or Remote Con-
trol where necessary. Initialize Remote Control and
Remote Control Receiver.
Replace 3-Position Switch
Replace Flicker Motor
Check wiring connections
Replace light bulbs
Check wiring connections
Replace Light Harness
Replace light bulbs
Check wiring connections
Replace Log Set Driver
Replace Flicker Motor
Check log set for proper fit
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