Mitsubishi Electric MXZ-SM72TAM-U1 Service Manual page 110

SW1 Contents
setting
No. 12345678
98 01000110 Check sum mode 0000–FFFF
99 11000110 Backup heating
determination
value a
100 00100110 Backup heating
determination
value b
101 00100110 Backup heating
determination
value c
102 01100110 Backup heating
determination
value d
103 11100110 Detailed and
latest history of
voltage error
(U9/4220)
104 00010110 External connec-
tion status at time
of abnormality
delay
105 10010110 External connec-
tion status at time
of abnormality
106 01010110 Actual frequency
of abnormality
107 11010110 Fan step number
at time of
abnormality
108 00110110 Detailed and
latest error history
(UP/4220)
109 10110110 IC LEV opening
pulse at time of
abnormality (No.
1 to 30 units)
110 01110110 High pressure
sensor data at
time of abnormali-
ty
111 11110110 TH4 (Compres-
sor) sensor data
at time of
abnormality
112 00001110 TH6 (Suction
pipe) sensor data
at time of
abnormality
113 10001110 TH3 (Outdoor
liquid pipe) sensor
data at time of
abnormality
114 01001110 TH8 (Heat sink)
sensor data at
time of abnormali-
ty
115 11001110 OC SC (cooling)
at time of
abnormality
116 00101110 IC SC/SH at time
of abnormality
(No. 1 to 30 units)
OCH800A_110
1 2 3
Note: Display of check sum code of ROM
−99.9–999.9(°F)
Note: Disclosure is required only for the US
Active filter PAM error
abnormality
—
Note: Flagging the latest history of U9 error
CN3N 1-3 CN3N 1-2 CN3S 1-2
input input input
CN3N 1-3 CN3N 1-2 CN3S 1-2
input input input
0–255 (Hz)
Note: Display of actual frequency at time of abnormality
0–15
Note: Display of fan step number at time of abnormality
— — —
Note: Flagging the latest history of UP error
0–2000 (pulse)
Notes:
•Address and display data are alternately displayed every second.
•Pressing SWP2 changes the displayed unit in ascending order; it returns to No. 1 after No. 30.
−99.9–999.9 (psig)
Note: Display of data from high pressure sensor, all thermistors, and SC/SH at time of abnormality
−99.9–999.9 (°F)
Note: Display of data from high pressure sensor, all thermistors, and SC/SH at time of abnormality
−99.9–999.9 (°C)
During heating: subcool (SC)
During cooling: superheat (SH) (Fixed to "0" during cooling operation)
Notes:
•Address and display data are alternately displayed every second.
•Pressing SWP2 changes the displayed unit in ascending order; it returns to No. 1 after No. 30.
LED1, 2
4 5 6
Converter Power L1 open
Fault synchroniza- phase error
tion signal
error
CN3D 1-3 CN3D 1-2
input input
—
CN3D 1-3 CN3D 1-2
input input —
— — —
7 8
Under voltage Over voltage
error error
— —
— —
Failure in 12 Over current
V DC power abnormality
supply circuit
on power
circuit board