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Troubleshooting
- Operation Error
Contents
Q1
Check point Remarks
Analysis
This problem is caused by user’s fault. User’s simultaneously operate 2 more indoor units in the same time cool-
ing and heating mode.
Guidance
FJM is operate by just cooling or heating mode only. (Only, HR system can operate cooling and heating mode
simultaneously in the same time)
Contents
Q2
Check point Remarks
Analysis
E416 is outdoor unit high discharge temperature safety control Error code.
After System restart automatically until 3 times, system stop and display this error.
System can be operated by remote controller signal and K3(reset) key input.
Step 1
Check outdoor units installation environment.
Step 2 Check refrigerant leakage.
Step 3 Check outdoor EEV operation.
Contents
Q3
Check point Remarks
Analysis
E458 Error is related with outdoor unit fan Error.
Especially, If system have a some problem in fan, in heating mode , it will be happened.
And In auto address setting, without pipe checking operation must be happened it.
Step 1 Check to outdoor fan operation.
Step 2 If outdoor fan operation is clear, start to pipe checking operation.
Guidance
-
erant distribution control is malfunction.
It make our system to confuse it’s condition.
But, basically this error code is concerned about fan error.
Contents
Q4
Check point Remarks
Analysis
This is caused by protection mode behavior.
This is indoor Evaporator Freezing protection mode.
It can also occur intermittently when using 1 or 2 indoor units for cooling at low indoor and outdoor temperatures.
Step 1 Please, check indoor unit, whether inlet or outlet grill is closed.
Step 2 Please, check indoor unit, whether indoor fan is working.
Contents
Q5
Check point Remarks
Analysis
The product is out of the range of cooling operation.
Please, Remember cooling operation range.
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