Daewoo KUD-UD121DCR, Service Manual

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54
5) TROUBLE SHOOTING OF DRY SYSTEM
✦
HEATER DRY
Function : heating the air during dry
• FAILURE MODE : * "H7" - The air cannot be heated to 10°C during 2 min.
• CHECKING METHOD : * Check the resistance of heater coil and replace with new one.
✦
Thermistor
Function : sensing the air temperature.
• FAILURE MODE : * The air cannot be heated even though water is supplied.
* "H1" - shot or cut-off
* "H3" - air temp. is reached over 150°C
• CHECKING METHOD : * Check the resistance of thermistor, replace with new one.
✦
FUSE TEMPERATURE
function : protecting from the fire hazard or overheating, if the temp., rises over 128°C, power supply will be cut-off.
• Pictures
• FAILURE MODE : Dry is not performed.
• CHECKING METHOD : Check if fuse is short, and replace with new one.
FIXED BY
WASHER
+SCREW