Samsung AM080*XV Series, Руководство по обслуживанию

Страница: 162 / 277

T roub l eshooting
4-4 2 Sa m sung El ectronics
4-3-24 Low Pressure sensor error (Open/Short)
1 . L o w P ressure sensor Open / Short error deter m ination m ethod
1) Identifies fro m w hen po w er is supp l ied or 2 m inutes after RE S ET, and on ly w hen set is stopped.
2 ) An Open / Short error w i ll occur if the input v o l tage standard range of 0.5V ~ 4 . 9 5V is e x ceeded.
2. Inspection Method
R ep l ace L o w P ressure sensor
Pl ease re - inspect after connecting
the connector to the P CB
No
Y es
L o w pressure
sensor connector ( CN 41)
connected to P CB ?
R efi ll refrigerant after v acuu m
No
Y es
Is there refrigerant inside the set ?
(Pl ease chec k b y connecting the Manifo l d gauge
to the ser v ice v a lv e )
R ep l ace P CB
No
Y es
L o w pressure sensor ter m ina l of P CB : Is the
v o l tage bet w een 3 and 4 pins 5V ?
T he
ف
m ar k is the 1 st pin on the P CB.
Outdoor unit
disp l a y
Indoorunit
disp l a y
Duct , Cassette (1/ 2 W a y), Conso l e , Ce l ing Cassette (4/ Mini 4 W a y) W a ll-m ounted ( NeoForte )
Operation Defrost T i m er Fan Fi l ter / M P I Operation Defrost T i m er Fi l ter Operation T i m er T urbo
× × ◑ ◑ ◑ × ◑ ◑ ◑ ● ◑ ◑
※ ●
: ON
◑
: F l ash ×: OFF
J udg m ent
Method
∙ R efer to the j udg m ent m ethod be l o w .
Cause of
prob l e m
∙ Disconnection or brea k do w n of re l e v ant sensor.