Daewoo Q600 series, Service Manual

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Contents
1. Accumulated Comp Operation Time
2. Time Lapse since a Comp On/Off
1. Comp
2. F-Fan
3. Defrosting Heater
4. Damper
Heater
Defrosting
Pause
Fan Delay
1) When D-Sensor ≥ 13℃, Defrosting Heater will be Off.
2) When the Defrosting heater turns off by the time limit (60 minutes), there will be an
F3-Error.
3) If there is a D-Sensor Error, the Defrosting Heater will be on, with the time limit of 30 min.
4) Process Time Limit
① 30min.: At a D-Error, each heater is on for 30/10 min.
② 60min.: When defrosting starts at a normal control state, the time limit will be 60min.
1) Pause Time = 10min.
2) In the pause time, Defrosting Heater, Comp and F-Fan is off.
3) During the pause time, Comp is off regardless of the R-Sensor temperature.
1) Fan Delay Time = 5min.
2) Immediately after the pause, only the Comp is on, with the Heater off.
Control Object
6-5. Defrosting
Input Parts
Precool
1) Time limit is 50 minutes (Comp, F-fan operation)
2) When the lime limit of 50 minutes passes, F-Sensor < -27
℃, or there is
Error F3,
Precool will end.
* There is no Precool in a general Defrosting (but only in a power consuming mode).
3. Power consuming mode starting (Average operation rate before a Defrosting is 80% or less)
1) If D-Sensor ≥ 9℃, the Defrosting Heater will be off.
2) Pause time is 10min.
3) After a Precool mode is proceeded, Heater-on mode will start.
Precool D-HTR Defrosting Pause Fan Delay
Comp On Off Off On/Off
F-Fan On Off Off Off
D-HTR Off On Off Off
Time Limit 50min. 60min. 10min. 5min.
4. Electronic Unit Control State & Time Limit for Each Mode
1. Defrosting Startup Condition
1) Accumulated Comp Operation Time: If it passes 8,10,12,~ 40 hours and, at the same time, various errors take place or
the accumulated F-Door Opening is 2 minutes or more, the defrosting will be started.
2) If the accumulated F/R-Door Opening time is 2 minutes or more and the operation rate in 2 hours is 85% or more, the
defrosting will be started.
3) Total (Comp On Time + Comp Off Time) time : If it is 50 hours, the defrosting will be started.
4) If accumulate Comp operation time is 24 hours, the defrosting will be started.
* Various Errors : R1, F1, D1, F3, RT/S, C1, Door error.
2. General Defrosting Procedure
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