Troubleshooting Guide
5-9
D
Du
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all F
Fu
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ell R
Ra
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e
PROBLEM
POSSIBLE CAUSE
TEST / ACTION
EE.
LONG PREHEAT
FF.
NO HEAT
GG.
NO BROIL
HH.
“CFH INDICATOR LIGHT
DOES NOT LIGHT WHEN
TURNED TO COOKING
MODE
II.
OVEN TEMPERATURE
TOO HIGH OR TOO LOW
JJ.
TEMPERATURE PROBE
NOT WORKING
KK. COOLING FAN DOES NOT
WORK
LL.
COOLING FAN NOISY
Defective hidden bake element
Loose or defective wire connection
Open element
Shorted element
Thermo Limiter open or tripped
Relay board failure
Loose or defective wire connection
Open element
Shorted element
Open or Shorted RTD
Thermo Limiter open or tripped
Relay board failure
Oven cavity too hot
Loose or defective wire connections from
ECH to “CFH” LED
Defective LED
Customer using wrong temperature
User Preference Offset (UPO) miscalibrat-
ed
Defective RTD Sensor
Wrong cooking mode for probe
Probe not inserted all the way into the
receptacle
Loose or defective wiring
Defective probe switch
Defective probe
Loose or defective wiring
Defective cooling fan
Air diverter bracket loose
Defective cooling fan motor
Check for error codes in diagnostic mode.
Perform element testing procedure in diagnostic
mode
Repair or replace wire connections or wires
Check for error codes in diagnostic mode.
Perform element testing procedure. Replace if
defective
Check for error codes in diagnostic mode.
Perform element testing procedure. Replace if
defective
Ohm limit, replace if defective. Reset limit
Perform relay board testing procedure.
Replace if defective
Repair or replace wire connections or wires
Check for error codes in diagnostic mode.
Perform element testing procedure. Replace if
defective
Check for error codes in diagnostic mode.
Perform element testing procedure. Replace if
defective
Initiate diagnostic mode, check for error codes
Ohm limit, replace if defective. Reset limit
Perform relay board testing procedure.
Replace if defective
Open oven door to cool oven cavity
Check wire connections. Repair/replace wire(s)
Defective ECH. Replace ECH
Replace “CFH” LED
Refer to Use/Care Guide for operation
Check UPO setting. Before making any tem-
perature changes to UPO, check oven tempera-
ture with thermometer. UPO setting can be
±35°F.
Ohm RTD sensor, check technical data for cor-
rect ohm reading. Replace if defective. If RTD
good, replace oven controller
Refer to Use/Care Guide for operation
Check for error codes in diagnostic mode.
Insert probe into receptacle first before initiating
diagnostic mode
Repair or replace wiring
Replace probe switch
Ohm probe, check technical data for correct
ohm reading. Replace if defective
Repair or replace wiring
Check for error codes in diagnostic mode.
Replace if defective
Tighten air diverter bracket screws
Replace cooling fan
Problems Associated with the Oven
Summary of Contents for DF304
Page 2: ......
Page 12: ...D Du ua al l F Fu ue el l R Ra an ng ge e General Information 1 10 ...
Page 62: ...4 22 Component Access Removal D Du ua al l F Fu ue el l R Ra an ng ge e ...
Page 77: ...Technical Data D Du ua al l F Fu ue el l R Ra an ng ge e 6 1 SECTION 6 TECHNICAL DATA ...
Page 81: ...Wiring Diagrams D Du ua al l F Fu ue el l R Ra an ng ge es s 7 1 WIRING DIAGRAMS SECTIO N 7 ...