Troubleshooting
SiE 00-07
146
Troubleshooting R-407C PLUS Series
3.24
Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor
Remote Controller
Display
JC
Supposed Causes
Defect of low pressure sensor system
Connection of high pressure sensor with wrong connection.
Defect of outdoor unit PC board.
Troubleshooting
∗
1: Voltage measurement point
∗
2: Refer to pressure sensor, pressure/voltage characteristics table on P204.
(VF050)
The
relationship
between the
∗
1
VH and low pressure is
normal (see
∗
2) when voltage
is measured between X21A pins
(2) and (3) of outdoor unit
PC board (A1P)
(see
∗
1).
Replace the low pressure sensor.
Connect low pressure sensor property
and restart system.
NO
NO
Replace outdoor unit PC board A1P.
YES
YES
The low
pressure sensor is
connected to X21A (blue)
of outdoor unit PC
board (A1P).
Содержание VRV R-407C PLUS Series
Страница 1: ...System R 407C PLUS Series Service Manual SiE 00 07...
Страница 11: ...Introduction SiE 00 07 x...
Страница 17: ...Product Outline SiE 00 07 6 General Information R 407C PLUS Series...
Страница 41: ...Specifications SiE 00 07 30 Specifications R 407C PLUS Series...
Страница 90: ...SiE 00 07 Test Operation Test Operation R 407C PLUS Series 79 1 3 Outdoor Unit PC Board Ass y Outdoor Unit...
Страница 119: ...Test Operation SiE 00 07 108 Test Operation R 407C PLUS Series...
Страница 132: ...SiE 00 07 Troubleshooting by Remote Controller Troubleshooting R 407C PLUS Series 121...