Table Of Led Codes - Mitsubishi Electric CITY MULTI PURY-200M-B-BM. BSG Service Handbook

[ VI LED Monitor Display on the Outdoor unit Board ]
VI LED Monitor Display on the Outdoor unit Board

[1] Table of LED Codes

LED monitor display
SW
No
1234567890
Relay output
display 1
Lighting
0 0000000000
Check (error)
display 1
OC error
Relay output
1 1000000000
display 2
Check (error)
0100000000
2 display 2
(Including IC)
3 1100000000
4 0010000000
5 1010000000
6 0110000000
Outdoor unit
operation dis-
7 1110000000
play
Check indoor
unit
8 0001000000
9 1001000000
Indoor unit
operation
10 0101000000
mode
11 1101000000
Indoor unit
thermo
12 0011000000
13 1011000000
BC all indoor
14 0111000000 units opera-
tion mode
Outdoor unit
15 1111000000 operation
mode
Outdoor unit
control mode
16 0000100000
Item
LD1 LD2
Crank-
Comp in
case
operation
heater
0000 to 9999 (Address and error codes highlighted)
SV5 SV6
0000 to 9999 (Address and error codes highlighted)
Opera-
tion de- Warm up
mand mode
from BC
Unit Unit
No. 1 No. 2
Unit Unit
No. 9 No. 10
Unit Unit
No. 1 No. 2
Unit Unit
No. 9 No. 10
Unit Unit
No. 1 No. 2
Unit Unit
No. 9 No. 10
Cooling Cooling
only ON only OFF
Permissi-
Standby
ble stop
Cooling
Cooling
only
main re-
Refriger-
frigerant
ant re-
recovery
covery
Display
LD3 LD4 LD5
21S4 SV1 SV2
3-minutes Compres-
Preliminary
restart sor in oper-
error
mode ation
Unit Unit Unit
No. 3 No. 4 No. 5
Unit Unit Unit
No. 11 No. 12 No. 13
Unit Unit Unit
No. 3 No. 4 No. 5
Unit Unit Unit
No. 11 No. 12 No. 13
Unit Unit Unit
No. 3 No. 4 No. 5
Unit Unit Unit
No. 11 No. 12 No. 13
Heating Heating
Both ON
only ON only OFF
Cooling Cooling
Defrost
only main
Heating
Heating Cooling
only
main re- only
Refriger-
frigerant Oil
ant re-
recovery recovery
covery
- 40 -
LD6 LD7 LD8
SV3 SV4 Always lit
CH2, 3
Error
Unit Unit Unit
No. 6 No. 7 No. 8
Unit Unit Unit
No. 14 No. 15 No. 16
Unit Unit Unit
No. 6 No. 7 No. 8
Unit Unit Unit
No. 14 No. 15 No. 16
Unit Unit Unit
No. 6 No. 7 No. 8
Unit Unit Unit
No. 14 No. 15 No. 16
Both
Fan Stop
OFF
Heating Heating
Demand
only main
Cooling Heating Heating
main only main
Oil Oil Oil
recovery recovery recovery
Remarks
LD8 stays lit at all times
while the power to the mi-
crocomputer is on.
Relay output display
Finish sending the moni-
tor demand to IC/BC
If no errors are detected,
"----" appears on the dis-
play.
If no errors are detected,
"----" appears on the dis-
play.
The lamp is lit when IC
demanded an abnormal
stop.
The abnormal stop lamp
of the unit No. 1 goes off
in numeric order of its ad-
dress when the error re-
set is made.
Lit during cooling
Blink during heating
Unlit while the unit is
stopped or in the fan
mode
Lit when thermo-ON.
Unlit when thermo-OFF.