Heat Controller B-MMC09FA-1 사용자 설명서
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Wall Mounted Multi-Zone Split System Air Conditioner
Troubleshooting Guide
■ Error Indicator
• The self-diagnosis function of the air conditioner is used to identify any troubles that may exist.
• Refer to the table below to determine the error code associated with the LED signals given by the indoor air con-
• Refer to the table below to determine the error code associated with the LED signals given by the indoor air con-
ditioner's display.
• If more than two problems occur simultaneously, one error code of most severity is displayed.
• After an error has occurred, if the error is fixed/cleared, the LED display representing the error code (shown in
• After an error has occurred, if the error is fixed/cleared, the LED display representing the error code (shown in
the table below) will also be cleared simultaneously.
• To operate the unit after the occurrence of an error code, it is best to power off the unit and then power on again.
Self-diagnosis Function
00
No Error
ON
01
Indoor Room Thermistor Error
1 time
OFF
02
Indoor In-Piping Error
2 times
OFF
05
Communication Error between In and Out
5 times
OFF
06
Indoor Out-Piping Error
6 times
OFF
07
Differnt mode operation
7 times
OFF
10
Indoor fan motor locked error
1 times
OFF
Error code
Description
MPS Variable
LED1
LED2
Indoor Status
33
D-Pipe High(Normal)
3 times
3 times
OFF
44
Outdoor Air Thermistor Error(Open/Short)
4 times
4 times
OFF
45
Cond Pipe Thermistor Error(Open/Short)
4 times
5 times
OFF
47
Const. D-Pipe Thermistor Error(Open/Short)
4 times
7 times
OFF
51
Capcity Error(High/Low)
5 times
1 times
OFF
Error code
Description
MPS Variable
LED1(Red)
LED2(Green) Indoor Status
Indoor Error
Outdoor Error
LED1
LED2