Troubleshooting Guide - Dimplex DFI400L Service Manual

TROUBLESHOOTING GUIDE

PROBLEM
General
Unpleasant smell when unit is
used.
Appearance
Fireplace does not turn on Manu-
ally
Fireplace does not turn on with
the Remote Control
The flame effect will not start
The flame effect is too low.
The flame effect has too much
smoke.
Mist is not coming out and the red
light by the transducer is not on
Mist is coming out fast
Mist does not appear to be com-
ing out evenly
10
CAUSE
Dirty or stale water.
Improper operation
No incoming voltage from the electrical wall
socket
Defective 3 Position Switch
Improper operation
The batteries in the remote control are dead.
Defective remote control
Defective remote control receiver
Defective IR sensor
Switch A is in the 'ON' (I) position, but mode
Switch B has not been pressed.
Low water level.
Water in unit is too cold
If using distilled or reverse osmosis water, unit
will not produce a consistent mist
Check that the fan is operating correctly
Cord is located over emitter on transducer
Defective Transducer
Flame effect control knob is set too low.
Flame effect setting is too high.
The cord from the power board is not working
Filter is missing off of Fan Housing
Unit is not level
Media is blocking air flow
A light bulb is burnt out
SOLUTION
Clean the unit as described under maintenance.
Refer to Operation Section
Check Fuse/Breaker Panel
Replace 3 Position switch
Refer to Operation Section
Install new battery into the remote control
Replace Remote Control
Replace remote control receive
Replace IR sensor
Press Switch B once for flame effect.
Check the water tank is full and there is water in
the sump.
Allow water to warm to room temperature.
Add 1/8 tsp of table salt to water reservoir to
introduce electrolytes, only repeat when mist is
not being produced correctly
Replace fan assembly
Ensure that the air filter is clean and dry
Relocate cord so that mist is free to rise off of
transducer.
Replace Transducer
Increase level of flame by turning Control knob
C to the left slowly.
Turn the flame effect Control knob "C" to the
right until it is at minimum and slowly turn to the
left, about ¼ a turn, at a time. Give the flame
generator some time to adjust before increas-
ing.
Ensure that the cord is not pinched.
Ensure that the cord is fully inserted into the
connection on the power board.
Replace Fan Filter
Level unit
Rearrange media
Replace light bulb
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