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Troubleshooting by Remote Controller Display / LED Display
SiBE28-804
196
Troubleshooting
Troubleshooting
*1: Voltage measurement point
*2: “Pressure Sensor”, pressure / voltage characteristics table.
(V2808)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the relation
between the pressure and the
voltage normal?
(
∗
2).
Measure the voltage (V)
between the pins # (2) and
(3) of the above connector
(
∗
1).
Replace the pressure
sensor (S1NPH).
YES
Replace outdoor unit
PC board (A1P).
Connect correctly.
YES
NO
NO
Is it connected
correctly?
YES
Check if the connector for
the pressure sensor (X17A)
is correctly connected to the
outdoor unit PC board (A1P)
Detected pressure
PH (MPa)
Output voltage V
-0.5
-0.5
0
0.5
1.0
2.0
3.0
1.5
2.5
0.5
1.5
2.5
3.5
0
1
2
3
4
V
DC
PH
PH = 1.38V-0.69
PH : Detected pressure (MPa)
V : Output Voltage (V)
Summary of Contents for FHQ100BUV1B x 2
Page 13: ...SiBE28 804 2 ...
Page 19: ...Model Name and Power Supply SiBE28 804 8 General Information ...
Page 29: ...Specifications SiBE28 804 18 Specifications ...
Page 33: ...Wired Remote Controller SiBE28 804 22 Remote Controller 1 2 Installation ...
Page 34: ...SiBE28 804 Wired Remote Controller Remote Controller 23 ...
Page 93: ...Outdoor Unit Fan Speed Control SiBE28 804 82 Functional Description ...
Page 131: ...Test Run and Operation Data SiBE28 804 120 Test Operation ...
Page 251: ...Troubleshooting by Remote Controller Display LED Display SiBE28 804 240 Troubleshooting ...
Page 277: ...PCB Layout SiBE28 804 266 Appendix ...
Page 297: ...RZQ100 140C7 RZQS125 140C7V1B SiBE28 804 286 Removal Procedure ...
Page 311: ...SiBE28 804 iv Index ...