Daikin VRV Inverter K Series Manual page 326

SI-05C.BOOK Page 312 Monday, November 6, 2000 4:13 PM
Troubleshooting
3.16 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor
J J J J C C C C
Remote Controller
Display
Supposed Causes
Troubleshooting
∗1: Voltage measurement point
∗2: Refer to pressure sensor, pressure/voltage characteristics table.
Refer to Pressure Sensor Voltage Output / Detected Pressure Characteristics on P366.
312
Defect of low pressure sensor system
Connection of high pressure sensor with wrong connection.
Defect of outdoor unit PC board.
The low
pressure sensor is
NO
connected to X21A (blue) of
outdoor unit PC board
(A1P).
YES
The
relationship
between the ∗1
VH and low pressure is
normal (see ∗2) when voltage
YES
is measured between X21A pins
(2) and (3) of outdoor unit
PC board (A1P)
(see ∗1).
NO
Connection of high pressure
sensor with wrong
connection.
Replace outdoor unit PC
board A1P.
Replace the low pressure
sensor.
: http://splitoff.ru/tehn-doc.html
Troubleshooting PLUS Series
SiE-05C
(VF150)