Read Sharp R-1900M (serv.man8) Service Manual online
R1900M
7 – 3
3. Check of AC supply voltage (SF-5)
You can check the current voltage of AC supply.
For example: Procedure to check current voltage (In case of over
230V)
230V)
For example: Procedure to check current voltage (In case of
under 230V)
under 230V)
For example: Procedure to check current voltage (In case of over
264V(240 +10%)
264V(240 +10%)
For example: Procedure to check current voltage (In case of
under 202V(230V--12%)
under 202V(230V--12%)
4. Exhaust thermistor check (SF-6)
You can check if the exhaust thermistor works correctly or not by using this function.
For example: In case the exhaust thermistor works correctly (275ml water load is necessary.), the display will show “OH” as follows.
Operation
Display Indicator Sound
(within 20 sec.)
POWER LEVEL
SET MEMORY
START
STOP/CLEAR
5
STOP/CLEAR
.
.
.
.
.
.
.
SF-
HIGH
0
(over230V)
Operation
Display Indicator Sound
(within 20 sec.)
POWER LEVEL
SET MEMORY
START
STOP/CLEAR
5
STOP/CLEAR
.
.
.
.
.
.
.
SF-
LO
0
(under 230V)
Operation
Display Indicator Sound
(within 20 sec.)
POWER LEVEL
SET MEMORY
START
STOP/CLEAR
5
STOP/CLEAR
.
.
.
.
.
.
.
SF-
EE4
0
Operation
Display Indicator Sound
(within 20 sec.)
POWER LEVEL
SET MEMORY
START
STOP/CLEAR
5
STOP/CLEAR
.
.
.
.
.
.
.
SF-
EE5
0
Operation
Display
Indicator
Sound
(within 20 sec.)
(within 20 sec.)
plug in
POWER LEVEL
SET MEMORY
START
STOP/CLEAR
6
START
(after 5 min.)
STOP/CLEAR
STOP/CLEAR
STOP/CLEAR
ON
or
.
.
.
.
.
SF-
SF-6
5.00
(count down)
(count down)
OH
SF-1
0
or
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