Daewoo FRS-2021, Service Manual

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CONTENTS REMARKS
1. Fan voltage of each control mode
2. Control against (under) load (Load Control)
1) Purpose : To restore F/R-temperature which has risen by load (much foods in or
frequent door openings) as soon as possible
2) Display : "SPEED" lights until the mode and speed icons flicker.
3) Conditions to start (from both Normal and Silence)
a. F or R door open time exceeds 30 seconds at a time -> Freezer and Refregerator
load control starts respectively.
b.
Over [F-sensor On Point + 5 b. degree] -> F
load control
c. Over [R-sensor On Point + 5 degree] -> R load control
4) Conditions to avoid load control
a. Initial operation (rught after power input) of refrigerator
b. Just after Pre-cool, Heater defrosting, Pause, Defrosting cycle
5) Control Method
5-1) Control mode by F/R-door open time (over 30 seconds)
-> F/R-fan works by 14V respectively.
5-2) Control mode by [F-sensor On Point + 5 degree]
-> F-fan works by 14V.
5-3) Control mode by [R-sensor On Point + 5 degree]
-> R-fan works by 14V.
* C-fan works by 10V as normal.
6) Conditions to stop
a. The mode works for 20 minutes.
(If another condition happens at the end of the mode, it starts again.)
b. When it reaches to [F-sensor Off point], F-fan load control mode stops.
c. When it reaches to [R-sensor Off point], R-fan load control mode stops.
Control Mode F-FAN R-FAN C-FAN
Normal 12V 12V
Normal 14V 14V
Load Control
Silence 12V 12V
Silence Normal 10V 10V
Normal 10V 10V
Sleep Mode2
Load control 12V 12V
10V
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