Haier HRF-663ISB2 Service Manual page 18

SERVICE MANUAL
Model: HRF-663ISB2
(4) Force the air damper to be opened and closed once if it cannot be opened within 1 hour. After that,
decide whether open or close it according to R1 SNR.
(5)Heating elements of air damper and ice outlet are heated synchronously. continuous heating
(6) If the temperature still rises (or drops) within 10 minutes after opening or closing of air damper, open
or close it again.
(7) Heating element of dispenser (as well as heating element of inlet pipe) is off for 10 minutes and is
on for 30 minutes as a cycle.
2.4 Functional controls
2.4.1 Fast freeze
(1)Press fast freeze key to activate this function.
(2)Corresponding icon is displayed in fast freeze state; the icon extinguishes when fast freeze is
ended.
(3) During fast freeze, the selected settings of freezer or refrigerator compartment remain unchanged.
(4)During fast freeze, the setting in refrigerator compartment is adjustable, while the setting in freezer
compartment is not.
(5)The compress operates 3 hours continuously and then stops in fast freeze.
(6)Defrosting has a higher priority than fast freeze. The defrosting time is included in fast freeze time.
The fast freeze display is on all the time during defrosting. End of fast freeze and end of automatic
defrosting are controlled by respective conditions. When either of the two states is ended, the other state
will not be affected.
2.4.2; Refrigerator load in correspondence with condition 2
(1) Ambient temperature is above 18°C.
(2) If the temperature of R1 is higher than 12°C or the temperature of R1 is higher than 13°C, the
compressor starts up and the air damper of refrigerator compartment is opened. The freezer fan operates
at a speed of 1500RPM.
(3) If R1 reaches shutdown point or the temperature of R2 drops below 2°C, that the refrigerator load
corresponding with condition 2 is ended.
(4) After the end of refrigerator load corresponding with condition 2, the rotation speed of fan is
1300RPM within 10 hours whatever the actual temperature is in freezer or refrigerator compartment.
Issue 2010-01
Ref1001S015V0
Rev.
18