Daikin FXYBP20K7V1, Руководство по обслуживанию

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SiE 00-07 Troubleshooting
Troubleshooting R-407C PLUS Series 139
3.17 Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)
Remote Controller
Display
E9
Supposed Causes Defect of moving part of electronic expansion valve
Defect of outdoor unit PC board (A1P)
Defect of connecting cable
Troubleshooting
∗
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)
: Continuity Approx. 300
Ω
: Continuity Approx. 150
Ω
×
: No continuity
(VF043)
Electronic
expansion valve is
connected to X12A of outdoor
unit PC board
(A1P).
Normal
when coil check (
∗
1)
of the moving part of the
electronic expansion
valve is checked.
The connecting cable
is short-circuited or
disconnected.
Replace the connecting cable.
Replace outdoor unit PC board A1P.
NO
NO
NO
Replace the moving part of the
electronic expansion valve.
After connecting, turn the power off and
then back on again.
YES
YES
YES
Pin No. 1. White 2. Yellow 3. Orange 4. Blue 5. Red 6. Brown
1. White
× × ×
2. Yellow
× ×
3. Orange
× ×
4. Blue
×
5. Red
×
6. Brown