Panasonic Elite Big PAC-i S-200PE3E5B Technical Data & Service Manual page 276

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In the case of the nanoe™ X module status other than "Normal" or "Unsupported"
If the menu "13. nanoe X" is not displayed or the module status becomes other than "Normal" or "Unsupported"
even though the nanoe™ X module is connected, there is a probability that the following symptoms happen.
Display
Discharge error
Humidity error
Faulty connection
Not connected
*Specialization of the indoor unit can be checked by the operation of the airflow.
Checking method:
1. Stop the maintenance function.
Press the
2. Operate the airflow.
Select the Unit no. under the
The unit which is corresponded to the preset flap operation will become the target unit.
When the unit is specialized, switch off the earth leakage circuit breaker and unplug the connector of the
nanoe™ X module wiring from the PCB. Then plug it in again. Switch on the earth leakage circuit breaker and
once again check the Steps 1 to 3. Then check the status by selecting the menu "13. nanoe X". If "Disconnection
failure" or "Not connected" appears on the display, it is necessary to replace the nanoe™ X module with a new
one.
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Symptom
The probability of occurrence of nanoe™ X is deviated from
the room temperature and humidity conditions.
Outside the range of temperature: Below 5°C or over 35°C
Outside the range of humidity: Over 86%
Humidity sensor not connected or sensor failure
The wiring between the indoor unit and nanoe™ X module is
not connected.
There is no abnormality in the nanoe™ X module. Use in the
range of appropriate room temperature and humidity.
button to show the maintenance func display. Then press the
"2. Airflow setting". Make the airflow setting.
There is no abnormality in the nanoe™ X
module. Use in the range of appropriate
temperature and humidity.
Check if connected to the indoor unit PCB of
the humidity sensor or replace the sensor.
Specialize the target indoor unit and check
the connection to the indoor unit PCB of the
nanoe™ X module.
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Countermeasure
button.