MXZ-SM48NAMHZ Service Manual

132
OCH789
No.
SW1
setting
Display mode
Display on the LED1, 2 (display data)
Notes
12345678 1 2 3 4 5 6 7 8
189 10111101
History of voltage
error (U9/4220)
- - PAM error
Converter Fault
Power
synchronization
signal error
L1 open phase error Under voltage error
Over voltage error
190 01111101
External connection
status at time of
abnormality delay
CN3N 1-3 input CN3N 1-2 input CN3S 1-2 input CN3D 1-3 input CN3D 1-2 input
191 11111101
External connection
status at time of
abnormality
CN3N 1-3 input CN3N 1-2 input CN3S 1-2 input CN3D 1-3 input CN3D 1-2 input
192 00000011
Actual frequency
of abnormality
0–255 (Hz)
Display of actual frequency at time of abnormality
193 10000011
Fan step number
at time of
abnormality
0–15
Display of fan step number at time of abnormality
195 11000011
IC1 LEV opening pulse
at time of abnormality
0–2000 (pulse)
Display of opening pulse of indoor LEV at time of abnormality
196 00100011
IC2 LEV opening pulse
at time of abnormality
197 10100011
IC3 LEV opening pulse
at time of abnormality
198 01100011
IC4 LEV opening pulse
at time of abnormality
199 11100011
IC5 LEV opening pulse
at time of abnormality
200 00010011
High pressure sensor
data at time of
abnormality
−99.9–999.9 (PSIG)
Display of data from High pressure sensor, all thermistors, and SC/SH at time of abnormality.
201 10010011
TH4 (Compressor)
sensor data at time of
abnormality
−99.9–999.9 (°F)
202 01010011
TH6 (Suction pipe)
sensor data at time of
abnormality
203 11010011
TH3 (Outdoor liquid
pipe) sensor data at
time of abnormality
204 00110011
TH8 (Heat sink)
sensor data at time of
abnormality
205 10110011
OC SC (cooling) at time of
abnormality
−99.9–999.9(
:
)
During heating: subcool (SC) During cooling; superheat (SH) (Fixed to "0" during cooling operation)
Display of indoor SC/SH data at time of abnormality
206 01110011
IC1 SC/SH at time of
abnormality
207 11110011
IC2 SC/SH at time of
abnormality
208 00001011
IC3 SC/SH at time of
abnormality
209 10001011
IC4 SC/SH at time of
abnormality
210 01001011
IC5 SC/SH at time of
abnormality
211 11001011 IC6 Capacity code
0–255
Display of indoor unit capacity code The No.1 unit will start from the M-NET address with the lowest number
212 00101011 IC7 Capacity code 213 10101011 IC8 Capacity code 214 01101011
IC6 operation mode
STOP Fan
Cooling thermo-ON
Cooling thermo-OFF
Heating thermo-ON
Heating thermo-OFF
Display of indoor unit operation mode
215 11101011
IC7 operation mode
216 00011011
IC8 operation mode