Daikin VRV Inverter K Series Manual page 319

SI-05C.BOOK Page 305 Monday, November 6, 2000 4:13 PM
SiE-05C
3.6 Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)
E E E E 9 9 9 9
Remote Controller
Display
Supposed Causes
Trobleshooting
Troubleshooting the outdoor unit for which the HWL is lit in accordance with the following flow chart.
∗1 Coil check method for the moving part of the electronic expansion valve Disconnect the electronic
expansion valve from the PC board and check the continuity between the connector pins.
(Normal)
1 White
2 Yellow
3 Orange
4 Blue
5 Red
6 Brown
: Continuity Approx. 300Ω
: Continuity Approx. 150Ω
: No continuity
x
Troubleshooting PLUS Series
Defect of moving part of electronic expansion valve
Defect of outdoor unit PC board (A1P)
Defect of connecting cable
Electronic
expansion valve is NO
connected to X12A of outdoor
unit PC board
(A1P).
YES
Normal
when coil check
NO
(∗1) of the moving part of
the electronic expansion
valve is checked.
YES
The
connecting cable
YES
is short-circuited or
disconnected.
NO
Pin No. 1White 2Yellow
x
After connecting, turn the
power off and then back on
again.
Replace the moving part of
the electronic expansion
valve.
Replace the connecting
cable.
Replace outdoor unit PC
board.
INV outdoor unit : EC1
Constant speed outdoor unit :
A1P
3Orange 4Blue 5Red
x
x
x
: http://splitoff.ru/tehn-doc.html
Troubleshooting
(VF140)
6Brown
x
x
x
x
x
305