Sharp R-21HT Service Manual page 26

Light duty commercial microwave ovens
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R-21HT
R-21HV
5) Practice for cancelling total using times and total
operation time (user and service) and all other counter.
... Flashing /
PAD
DISPLAY
(Door close)
SET
SET
(within 2.0sec.)
DOUBLE QUANTITY
CHECK
SINGLE
SET
OTHER SETTING AND CHECKING PROCEDURE
1. EXPRESS DEFROST
T = STG1 + STG 2 + STG3
STG = A x T + B
1) To set the constants of Express defrost.
(
Ex.
0.20T, 60% at 1st stage
0.15T, 40% at 2nd stage
0.65T, 20% at 3rd stage
" ": Flicker /
PAD ORDER
(Door close)
SET
SET
"NO"
(within 2 sec.)
#1 START
EXPRESS DEF
2,0
#2 SELECTATIME
0
#4 SELECTAPOWER
6
SELECTATIME
1,5
SELECTATIME
0
#4 SELECTAPOWER
4
SELECTATIME
#3
5
#4 SELECTAPOWER
2
SET
SET
#1 : No key entry signal.
#2 : To set -B, touch the selectapower key twice.
#3 : Ex. defrost is paused after 50% of cooking time has lapsed when 5
key is entered, otherwise it is paused at the end of each stage.
#4 : For R-21HT, change selectapower key to signal key.
... 0.1sec BUZZER
INDICATOR PHONE
.
.
.
No.
.
.
.
DOUBLE
.
.
.
)
: 0.1 sec BUZZER
DISPLAY
PHONE
.
.
.
.
0.00
DEF.
0.20 DEF
x 2
(A)
0 DEF
0 DEF
(+ - B)
DEF
P -
DEF
P - 60
0.00 DEF
0.15 DEF
x 2
(A)
0 DEF
0 DEF
(+ - B)
DEF
P -
DEF
P - 40
0 DEF
5 DEF
DEF
P -
DEF
P - 20
. DEF
.
KEY
DISPLAY
0
0
End of each stage
1
1
After 10% of total cooking time is passed
:
:
:
9
9
After 90% of total cooking time is passed
START
A
There is no pause
2) To check the constants of Express defrost.
PAD
CHECK
EXPRESS DEFROST
( pause time )
CHECK
3) To set user counts
Practice for inputting total number of using times (Ex.
3100 times), and using times of Memory 1 (Ex. 100
times).
PAD
(Door close)
CHECK
CHECK
(user total count)
DOUBLE QUANTITY
SIGNAL
SET
3,1,0,0
SET
(user total count 3100 set)
#A
1
(after 1 sec.)
(memory 1 count)
SET
1,0,0
SET
(memory 1 count 100 set)
CHECK
NOTE:
1 : To input using times of other memory, touch necessary Memory key
at above step #A.
2 : To input using times of manual cooking, touch SELECTATIME key
at above step #A.
3 : To input using times of Express Defrost, touch EXPRESS
DEFROST key at above step #A.
24
PAUSE
" ": Flicker /
: 0.1 sec BUZZER
DISPLAY
INDICATOR
.
.
"No." CHECK
0.20
DEF
( A )
0
( +-B )
P - 60
( PL )
0.15
( A )
0
( +-B )
P - 40
( PL )
5
P - 20
( PL )
( repeat )
.
" ": Flicker /
: 0.1 sec BUZZER
DISPLAY
INDICATOR
.
.
.
CHECK No.
82 68
CHECK
0
31 00
31 00
1
No.
1 32
0
1 00
1 00
.
PHONE
PHONE
x 4
x 3

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