Mitsubishi Electric CITY MULTI PUMY-P112VKM6 Service Manual page 100

8-10. Outdoor unit information display
SW1 Contents
setting
No. 12345678
0 00000000 Relay output (at
normal state)
Error code (at
abnormal state)
1 10000000 Indoor unit check
status
2 01000000 Protection input
3 11000000 Protection input
4 00100000 Protection input
5 10100000 Abnormality delay
display 1
6 01100000 Abnormality delay
display 2
7 11100000 Abnormality delay
display 3
8 00010000 Abnormality delay
history 1
9 10010000 Abnormality delay
history 2
10 01010000 Abnormality delay
history 3
11 11010000 Abnormality code
history 1 (the
latest)
12 00110000 Abnormality code
history 2
13 10110000 Abnormality code
history 3
14 01110000 Abnormality code
history 4
15 11110000 Abnormality code
history 5
16 00001000 Abnormality code
history 6
17 10001000 Abnormality code
history 7
18 01001000 Abnormality code
history 8
19 11001000 Abnormality code
history 9
20 00101000 Abnormality code
history 10 (the
oldest)
21 10101000 Cumulative time
22 01101000 Cumulative time
23 11101000 Outdoor unit oper-
ation display
OCH790 _100
1 2 3
Compressor 52C 21S4
operation
0000–9999 (Alternating display of addresses and error code)
Note: When abnormality occurs, check display.
No.1 unit No.2 unit No.3 unit
check check check
Note: Light on at time of abnormality
High pressure Superheat Compressor
abnormality due to low shell tem-
discharge perature
temperature abnormality
Note: Display detected microprocessor protection or abnormality
Heat sink Compressor Voltage
overheating over current abnormality
interception
Note: Display detected microprocessor protection or abnormality
Abnormality Address Indoor unit
in the number double setting capacity error
of indoor units abnormality
Note: Display detected microprocessor protection or abnormality
High pressure Superheat Compressor
abnormality due to low shell tem-
delay discharge perature
temperature abnormality
delay delay
Note: Display all abnormalities remaining in abnormality delay
Heat sink Compressor Voltage
overheating over current abnormality
delay interception delay
delay
Note: Display all abnormalities remaining in abnormality delay
63LS TH2 abnor- 4-way valve
abnormality mality delay abnormality
delay delay
Note: Display all abnormalities remaining in abnormality delay
High pressure Superheat Compressor
abnormality due to low shell tem-
delay discharge perature
temperature abnormality
delay delay
Note: Display all abnormalities remaining in abnormality delay
Heat sink Compressor Voltage
overheating over current abnormality
delay interception delay
delay
Note: Display all abnormalities remaining in abnormality delay
63LS TH2 abnor- 4-way valve
abnormality mality delay abnormality
delay delay
Note: Display all abnormalities remaining in abnormality delay
Alternating display of addresses 0000–9999 and abnormality code (including abnormality delay code)
Followings are the delay code and the details of the abnormal delay
1202: Discharge/Comp. temperature, Thermistor <Compressor>(TH4)
1205: Thermistor <Outdoor liquid pipe> (TH3)
1211: Thermistor <Suction pipe> (TH6)
1214: Thermistor <Heat sink> (TH8)
1221: Thermistor <Ambient> (TH7)
1222: Thermistor <HIC> (TH2)
1400: Low pressure sensor
1402: High pressure (63H), High pressure sensor (63HS)
1600: Discharge superheat (SHd), Over charge refrigerant
1601: Insufficient refrigerant, Closed cooling valve
1608: 4-way valve disconnection
4310: Current sensor open/short
4320: Undervoltage, overvoltage, or power module
4330: Heat sink temperature
4350: Power module
4500: Outdoor fan motor
Notes:
• Display abnormalities up to present (including abnormality terminals)
• History record in 1 is the latest; records become older in sequence; history record in 10 is the oldest.
0–9999 (unit: 1 hour)
Note: Display of cumulative compressor operating time
0–9999 (unit: 10 hours)
Note: Display of cumulative compressor operating time
Compressor Compressor Compressor
energizing operating in operation
prohibition
LED1, 2
4 5 6
SV1 (SV2)
—
No.4 unit No.5 unit No.6 unit
check check check
TH4 abnor- TH3 abnor- Outdoor fan
mality mality rotation
frequency
abnormality
Insufficient Current 63LS
refrigerant sensor/ abnormality
amount primary
abnormality current abnor-
mality
Over capacity Indoor unit Outdoor unit
address error address error
TH4 abnor- TH3 abnor- Outdoor fan
mality delay mality delay rotation
frequency
abnormality
delay
Insufficient Current 63LS
refrigerant sensor/ abnormality
amount primary delay
abnormality current abnor-
delay mality delay
Delay caused Power TH6 abnor-
by closed module mality delay
valve in abnormality
cooling mode delay
TH4 abnor- TH3 abnor- Outdoor fan
mality delay mality delay rotation
frequency
abnormality
delay
Insufficient Current 63LS
refrigerant sensor/ abnormality
amount primary delay
abnormality current abnor-
delay mality delay
Delay caused Power TH6 abnor-
by closed module mality delay
valve in abnormality
cooling mode delay
Abnormality
detection — —
SW: setting
0: OFF
1: ON
7 8
Always
—
lighting
No.7 unit No.8 unit
check check
TH7 abnor- TH8 abnor-
mality mality
63HS start over
abnormality current
interception
abnormality
delay
Current Serial
sensor open/ communica-
short tion abnor-
mality
(outdoor unit)
TH7 abnor- TH8 abnor-
mality delay mality delay
63HS start over
abnormality current
delay interception
abnormality
delay
Current
sensor open/
—
short delay
TH7 abnor- TH8 abnor-
mality delay mality delay
63HS start over
abnormality current
delay interception
abnormality
delay
Current
sensor open/
—
short delay
— —