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Troubleshooting by Remote Controller Display / LED Display
SiBE28-804
190
Troubleshooting
∗
3: For thermistor temperature and
resistance characteristics, Refer
to
Check 4,5
on P228
∗
4: For voltage characteristics of the
pressure sensor, see the right
figure.
–0.5
–0.5
0
0.5
1.0
2.0
3.0
3.5
1.5
2.5
0.5
1.5
2.5
3.5
0
1
2
3
Output voltage V (V
DC
)
PH
(MPa)
PH
P = 1.38V – 0.69
P : Detected pressure (MPa)
V : Output voltage
Detected pressure
Does
the malfunction
code "
E9
"
recur?
YES
NO
Restart operation.
Actually, it is in wet operation.
Refer to (P236~239) to
eliminate the causes of wet operation.
∗
1: Electronic expansion valve and connector No.
∗
2: Electronic expansion valve connector and
coil resistance criteria
Check 13,14,15
It is believed that factors
(noise, etc.,) other than failure
caused the malfunction.
Replace the outdoor PC
board (A1P).
RZQ71~140C7, RZQS71~140C7
→
X21A
A
1
2
3
4
5
6
(White)
(Yellow)
(Orange)
(Blue)
(Brown)
(Red)
RZQ71C7V1B
RZQS71·100C7V1B
COM (+) (Gray)
1
2
3
4
5
6
(Orange)
(Red)
(Yellow)
(Black)
(Gray)
(White)
RZQ100~140C7V1B
RZQS125·140C7V1B
Measurement
spot
1 - 6
3 - 6
2 - 5
4 - 5
Criteria
40 ~ 50
Ω
40 ~ 50
Ω
40 ~ 50
Ω
40 ~ 50
Ω
Measurement
spot
1 - 5
2 - 5
3 - 5
4 - 5
Criteria
40 ~ 50
Ω
40 ~ 50
Ω
40 ~ 50
Ω
40 ~ 50
Ω
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 ...