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
Flame Frozen
Flame not bright or flame not
visible
Log set dim, not glowing
Flame Shutter
Light leaking around the log set
Heater
Heater is not turning off
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 circuit board
Unit is drawing close to circuit current
rating
Normal Operation
Defective power cord
Improper operation
Remote control not initialized to stove
Defective main on/off switch
Defective remote control
Defective remote control switch
Defective circuit board
Loose wiring
No incoming voltage from the electrical
wall socket
Defective flame motor
Loose wiring
Burnt light bulbs
Loose wiring
Defective light harness
Burnt light bulbs
Defective flame motor
Log set not positioned properly
Improper operation
Defective heater on/off switch
Loose wiring
Defective remote control
Defective circuit 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.
Replace Remote Control
Replace hand held remote control and receiver board
where necessary.
Replace circuit board
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
Initialize the remote control
Replace main on/off switch
Install new battery into the handheld transmitter. Re-
configure remote where necessary
Replace remote control circuit board where necessary
Replace remote control switch board
Replace circuit board
Check wiring connections
Check Fuse/Breaker Panel
Replace flame motor
Check wiring connections
Replace light bulbs
Check wiring connections
Replace light harness
Replace light bulbs
Replace flame motor
Check log set for proper fit
Refer to Operation Section
Replace heater on/off switch
Trace wiring in unit
Replace remote control
Replace circuit board
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