Test run
Test run
Self
diagnosis
function
Error display
■This function displays the self diagnosis and the type of error if identified.
■For the error display, the applicable code is displayed on the 7 segment LED on the wired remote controller and AHU controller.
■If there are 2 or more errors simultaneously, the codes are displayed in the order of occurrence.
■Once you resolve the error, the error code will disappear.
Error display method
■The first display on the 7 segment display refers to the error code and the second part refers to the location information of the communication PCB address or sensor location. Refer to the following for details.
Error type | Display condition | Example of output | Detail description |
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Basic error | CH [Error code] 0 | CH30 | Error #3 |
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Communication PCB error | CH [Error code] [Address] | CH204 | Error #2 in communication PCB with |
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| address of ‘#4’ |
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Sensor error | CH [Error code] [Location] | CH1302 | Air supply temperature sensor error |
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Outdoor unit error | CH [Error code] [Address] | CH17304 | Error #173 on the outdoor unit connected |
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| to communication PCB with address of ‘#4’ |
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* The address the communication PCB refers to the rotary switch number on the communication PCB.
Location number | Location name | Applicable sensor type |
01 | RA | Temperature sensor, humidity sensor |
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02 | SA | Temperature sensor, humidity sensor |
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03 | OA | Temperature sensor, humidity sensor |
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04 | Mixing | Temperature sensor |
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05 | Differential pressure | Differential pressure sensor |
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06 | Static pressure | Static pressure sensor |
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* The above table shows the information of the attached location by sensor.
ENGLISH
Owner's Manual 31
