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Troubleshooting
Symptom
The SmartThings app displays the error
number, 628.
only see either cooling or heating option on
the indoor unit.
The LED indicator remains in its initial state.
(The LED state changes within 1 minute.)
For a Wind-Free indoor unit connected to the
Wi-Fi kit, the SmartThings app does not
display its Wind-Free function.
All indoor units installed do not appear on the
SmartThings app.
18
• The communication error is encountered between the indoor unit
and Wi-Fi kit. Check the communication cables (F1/F2).
• After installing the Wi-Fi kit, the addresses of the indoor/outdoor
units may be changed. If the problem persists after checking the
communication cable, keep the following steps:
1. Remove the device from the SmartThings app.
2. Initialise the user data.
Press and hold the Tracking/Reset button on the Wi-Fi kit for
5 seconds until three LEDs light.
3. Register the device again on the SmartThings app.
• To avoid mixed control, the indoor unit options are automatically
restricted to the outdoor unit's settings.
Mixed control: Different modes are available for each indoor unit.
1. To select a mode other than the current operation mode, turn off
the indoor unit to display all operation modes to select.
2. When there is a main indoor unit, change the operation mode of
the main unit.
1. Check the connection cable between the network PBA and the
Interface module PBA.
2. Even though the connection has no problem but a problem
persists, replace the Wi-Fi Kit.
• When you install the Wi-Fi kit and register the device with the
indoor unit's panel not assembled, the Wind-Free function is not
recognized.
Keep the following steps:
1. Remove the device from the SmartThings app.
2. Initialise the user data.
Press and hold the Tracking/Reset button on the Wi-Fi kit for 5
seconds until three LEDs light.
3. Register the device again on the SmartThings app.
• When the central control is disabled, the indoor unit does not
appear.
• When you install the Wi-Fi kit with indoor units installed partially,
the indoor units installed later do not appear.
Keep the following steps:
1. Check the central control option on the indoor units.
2. Remove the device from the SmartThings app.
3. Initialise the user data.
Press and hold the Tracking/Reset button on the Wi-Fi kit for
5 seconds until three LEDs light.
4. Register the device again on the SmartThings app.
Measure
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