Service Manual Model Number DS7420 DS7425DLX UL Part Number 6900470759 6900471604 IMPORTANT SAFETY INFORMATION: Always read this manual first before attempting to service this stove. For your safety, always comply with all warnings and safety instructions contained in this manual to prevent personal injury or property damage. Dimplex North America Limited 1367 Industrial Road Cambridge ON Canada N1R 7G8 1-888-346-7539 www.dimplex.
TABLE OF CONTENTS OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 OPERATION - DS7420 MOD A - D. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 EXPLODED PARTS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 WIRING DIAGRAM. . . . .
OPERATION Remote Control To access the controls, go to the back of the stove (Figure 1). ! NOTE: Ensure that the stove’s 3-Position Switch is set Figure 1 A The stove is supplied with an integrated On/Off remote control. to the Remote Control setting (“II” position). B To operate, push the ON button to turn stove on, push the OFF button to turn the stove off. C D A. 3-Position Switch The switch has two On positions marked with “I” and “II”. The “I” position is for manual operation.
OPERATION - DS7420 MOD A - D To access the controls, go to the back of the stove. (Figure 3) A. MAIN ON/OFF SWITCH The Main On/Off switch supplies power to all stove functions (heater & flame). B. TOP LIGHT ON/OFF SWITCH Controls the light intensity of the log bed display area. C. HEATER ON/OFF SWITCH The Heater On/Off switch supplies power to the heater. D. HEATER THERMOSTAT To adjust the temperature to your individual requirements, turn the thermostat clockwise all the way to turn on the heater.
MAINTENANCE WARNING: Disconnect power before attempting any maintenance or cleaning to reduce the risk of fire, electric shock or damage to persons. Light Bulb Replacement Allow at least five (5) minutes for light bulbs to cool off before touching bulbs to avoid accidental burning of skin. Light bulbs need to be replaced when you notice a dark section of the flame or when the clarity and detail of the log exterior disappears.
EXPLODED PARTS DIAGRAM 18 11 7 8 17 1 10 13 14 2 15 6 12 5 3 16 4 9 Replacement Parts List Replacement Part: 1. Log Set DS7420 . . . . . . . . . . . . . . . . . . 0438200200RP DS7425DLX. . . . . . . . . . . . . . . 0439230200RP 2. Door. . . . . . . . . . . . . . . . . . . . . . . . . . . .0438610100RP 3. Foot . . . . . . . . . . . . . . . . . . . . . . . . . . . .0438680100RP 4. Flicker Motor . . . . . . . . . . . . . . . . . . . . .2000210200RP 5. Heater Assembly (with cutout). . . . . . . .
WIRING DIAGRAM DS7420 MOD A - D 7
TO REPLACE UPPER LIGHT BULB WARNING: If unit was operating prior to servicing allow at least 10 minutes for light bulbs and heating element to cool off to avoid accidental burning of skin. WARNING: Disconnect power before attempting any maintenance or cleaning to reduce the risk of electric shock or damage to persons. Light bulbs need to be replaced when you notice a dark section of the flame or when the clarity and detail of the log exterior disappears.
4. Locate the flicker motor and flicker rod assembly and remove the wiring clips and connections located by the heater assembly noting their original locations. 5. Remove the flicker motor mounting screws and disconnect the flicker motor from the flicker rod. ! NOTE: When removing the flicker motor some damage may occur to the flicker rod. If flicker rod is damaged replace to insure proper operation. 6. Reassemble in the reverse order as above.
6. Remove wiring connections from Remote Control Receiver noting their original locations. 7. From inside the unit, break off the 4 mounting studs by grasping with pliers and twisting on the protruding part of the stud, push the remainder of the studs out through the back panel. ! NOTE: New mounting studs are supplied with the replacement Remote Control Receiver 8. Reassemble in the reverse order as above.
TROUBLESHOOTING GUIDE PROBLEM CAUSE SOLUTION General Circuit breaker trips or fuse blows when unit is turned on Short in unit wiring. Trace wiring in unit. Improper circuit current rating 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. Unit turns on or off by itself Remote Control has a similar frequency to other remotes in the area. Replace Remote Control.
PROBLEM CAUSE SOLUTION Heater Heater is not turning off Heater is not turning on, but flame effect is still functioning Heater is turning off after a couple of minutes of operation Heater emits an odor Heater fan turns on but heater lacks heat Heating element is glowing red Heater fan runs continuously Improper operation Refer to Operation Section Defective Heater On/Off Switch Replace Heater On/Off Switch Defective Thermostat Replace Thermostat Improper operation Refer to Operation Section
