Samsung AR07CSDAFWKN Service Manual page 80

Troubleshooting
Q6
Heating overload safety mode make this situation.
Analysis After System restart automatically until 3 times, System display this error code and stop.
System can operate by remote controller input signal or K3(reset) key input.
Step 1 Check indoor units air flow.
Step 2 Check outdoor unit air flow and installation (outdoor air flow blocking & over charging)
Q7 When system start in Heating mode, System don't operate and display E440 Error code.
The product is out of the range of heating operation.
Analysis But we admit that Maximum Heating temperature is up to 24°C
Please, Remember Heating operation range.
- Try-run Check Error
Q1
These Error codes only apply with Try-run mode, in case of system have some defect as result of
Analysis try-run operation.
* Refer to self-detection algorithm (Check Error Code meaning and check it out)
Contents
While using heating, outdoor unit turn off and display E404 Error code.
Check point
Contents
Check point
Contents
While the system is working try-run mode, system turn off and display
E128 / 129 / 246 / 261 / 419 / 422 / 554 Error code.
Check point
4-38
Remarks
Remarks
Remarks