Dimplex BF33ST User manual

TROUBLESHOOTING GUIDE
FOR THE BUILT IN FIREPLACE
MODEL NUMBERS:
BF33ST/DX
BF39ST/DX
BF45ST/DX

BF33ST, BF33DX, BF39ST, BF39DX, BF45ST, B45DX
TROUBLESHOOTING GUIDE
GENERAL
Problem Cause Solution Service Manual
Reference
Circuit breaker trips
or fuse blows when
unit is turned on
Improper circuit current rating Verify unit is installed on a
dedicated 15 amp circuit
Optional remote control has a
similar frequency to other
remotes in the area
Radio frequency disturbance
from outside sources
Replace hand held remote
control Page 5
Unit turns on or off
by itself
Defective circuit board Replace circuit board Page 31
APPEARANCE
Problem Cause Solution Service Manual
Reference
No incoming voltage from the
power supply
See installation guide for
electrical installation
instructions
Incorrect installation wiring
See installation guide for
electrical installation
instructions
Improper operation Refer to User’s Guide
Defective main on/off switch Replace main on/off switch Page 11
Install new battery into the
handheld transmitter and
reconfigure remote
Page 2
Defective remote control kit
Replace remote control kit Page 31
Fireplace does not
turn on
Loose wiring Check wiring connections Page 7 - 9
Defective flame motor Replace flame motor Page 13
Flame frozen
Loose wiring Check wiring connections Page 7 - 9
Burnt light bulbs Replace light bulbs Page 10
Loose wiring Check wiring connections Page 7 - 9
Flame not bright or
flame not visible
Defective light harness Replace light harness
Log set dim, ember
bed not glowing Burnt light bulbs Replace light bulbs Page 10
Flame Shutter Defective flame motor Replace flame motor Page 13

BF33ST, BF33DX, BF39ST, BF39DX, BF45ST, BF45DX
TROUBLESHOOTING GUIDE
HEATER
Problem Cause Solution Service Manual
Reference
Defective heater switch Replace heater switch Page 12
Defective remote control kit Replace remote control kit Page 31
Defective thermostat Replace thermostat
Improper operation See User’s Guide
Heater is not
turning off
Loose wiring Trace wiring in unit Page 7 - 9
Defective heater switch Replace heater switch Page 12
Defective remote control kit Replace remote control kit Page 31
Defective wall thermostat Replace wall thermostat
Voltage selector switch is in
the incorrect position
Select correct voltage
selector switch position Page 3
Incorrect installation wiring
See installation guide for
electrical installation
instructions
Improper operation See User’s Guide
Heater is not
turning on
Loose wiring Trace wiring in unit Page 7 - 9
Normal operation
Normal operation is when
the heater emits an odour for
a brief period after the
heater is initially turned on.
The heater is burning off any
dust accumulated during
manufacturing or operation.
Defective heater
motor/blower Replace heater motor/blower Page 22 - 25
Defective heater element Replace heater element Page 20
Heater emits an
odour
Loose wiring Trace wiring in unit Page 7 - 9
Heat but no blower Defective blower Replace blower
motor/blower Page 22 - 25
Incorrect installation wiring
See installation guide for
electrical installation
instructions
Voltage selector switch is in
the wrong position
Select correct voltage
selector switch position Page 3
Open element Replace heater element Page 20
No heat no blower
Open cutout Replace cutout Page 26 - 30

BF33ST, BF33DX, BF39ST, BF39DX, BF45ST, BF45DX
TROUBLESHOOTING GUIDE
HEATER (CONTINUED)
Problem Cause Solution Service Manual
Reference
Blower running fast Voltage selector switch is in
the wrong position
Select correct voltage
selector switch position Page 3
Blower running
slow
Voltage selector switch is in
the wrong position
Select correct voltage
selector switch position Page 3
NOISE
Problem Cause Solution Service Manual
Reference
Dirty blower assembly Clean blower assembly
Defective blower assembly Replace heater motor/blower Page 22 - 25
Excessive noise
near the top of the
unit
Loose heater access panel Secure heater access panel
Moving flame rod hitting or
rubbing against internal
components
Flame rod replacement Page 13
Excessive noise
near the bottom of
unit Defective flame motor Replace flame motor Page 13