4.4. Neutral Busbar
Subject
Description
Function of Part
It is a common connection point that
provides the distribution of the neutral line
entering from the neutral terminal on the
device.
Impact in Case of Malfunction
The neutral line may not reach the
resistors or the mainboard.
Main Associated Error Codes
-
Diagnostics and Test Method
Visual inspection, controlling whether
there is burning on contacts and body,
checking whether the feet are broken
Maintenance Requirement
There is no special maintenance
requirement.
4.5. Mainboard
Subject
Description
Function of Part
It controls the execution of device functions in accordance with
the algorithm and the peripheral equipment.
Impact in Case of Malfunction
1- Partial or complete loss of function of the device.
2- Displaying an incorrect error code on the main screen.
3- User display not working properly or not lit at all.
Main Associated Error Codes
-
Diagnostics and Test Method
Visual inspection of circuit elements, control of peripheral
equipment
Maintenance Requirement
There is no special maintenance requirement.
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