D.C. Inverter Multi-variable Modular
46
06_Detect outdoor
components
db
Light
06
Light
OC
Light
No error is detected in outdoor components.
Start next progress.
If error is detected, system will stay at current progress. Error has to be solved manually. Below is
relevant error:
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
06_Detect outdoor
components
db
Light
06
Light
Error
code
Light
System detects error in outdoor components.
Elimination methods of above error can be found in Troubleshooting.
Step11:
progress 07 is “Detect indoor components”
If no error is detected, system will display as below and then start next progress.
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
07_Detect indoor
components
db
Light
07
Light
OC
Light
No error is detected in indoor components.
Start next progress.
If error is detected, system will stay at current progress. Error has to be solved manually. Below is
relevant error:
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
07_Detect indoor
components
db
Light
07
Light
XXXXor
Error
code
Light
System detects error in indoor
components.
XXXX is the project no. of the faulted IDU. 3s later, relevant error code is displayed. For example,
IDU no. 100 has d5 error, then LED3 displays like this: 01 (2s later) 00 (2s later) d5, and repeat again.
Elimination methods of above error can be found in Troubleshooting.
Step 12:
progress 08 is “Confirm preheated compressor”
If more than 8h of preheat time is detected, system will display as below and start next progress.
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
08_Confirm
preheated
compressor
db
Light
08
Light
OC
Light
Preheat time for compressor is 8h. Start next
progress.
If less than 8h of preheat time is detected, system will give error alarm and display as below.
Then press SW7 confirmation button to skip the wait time and start next progress. But this will cause
force start of the compressor, which may damage the compressor.
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
08_Confirm
preheated
compressor
db
Light
08
Light
UO
Light
Preheat time for compressor is less than 8h.
