Try-Run Check Error - Samsung AJ009JNNDCH Service Manual

Q5 When system start in cooling mode, System don't operate and display E441 Error code
FJM PLUS is able to operate by -10 C
Analysis But we admit that minimum Cooling temperature is by -5 C
Please, Remember cooling operation range.
Q6 While using heating, outdoor unit turn off and display E404 Error code.
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.
FJM PLUS is able to operate up to 30 C
But we admit that Maximum Heating temperature is up to 24 C
Analysis
Please, Remember Heating operation range.

- Try-run Check Error

While the system is working try-run mode, system turn off and display E128 / 129 / 246 / 261 / 419 / 422 / 554
Q1
Error code.
These Error codes only apply with Try-run mode, in case of system have some defect as result of try-run operation.
Analysis
Refer to self-detection algorithm (Check Error Code meaning and check it out)
Samsung Electronics
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