Fault Finding The Product; The App Does Not Start Or Freezes; The Mi 301 Cannot Connect Via Infrared (Ir); The Mi 301 Cannot Connect Via Radio - Grundfos MI 301 Installation And Operating Instructions Manual

6. Fault finding the product

6.1 The app does not start or freezes

Cause
The app has to be restarted.

6.2 The MI 301 cannot connect via infrared (IR)

Cause
The MI 301 is too far away from the product.
The transmission angle is incorrect.
There is a problem with the app.
There is no IR on the pump.
Related information
2.4 Supported Grundfos products
4.3 IR connection

6.3 The MI 301 cannot connect via radio

Cause
The MI 301 is too far away from the product.
There is a problem with the app.
The product has no radio connection.
Related information
2.4 Supported Grundfos products
4.2 Radio connection

6.4 The connection between the smartphone and the MI 301 is lost

The display shows Mobile interface disconnected.
Cause
The distance between the two devices is outside the Bluetooth
range.
Battery is low.
Related information
5.2.1 Charging

6.5 The MI 301 is not shown in the list in Grundfos GO or GO Remote

Cause
The distance between the two devices is outside the Bluetooth
range.
The MI 301 is switched off.
10
Remedy
• Close the app and restart it.
Remedy
• Hold the MI 301 closer to the product, pointing the infrared
transmitter at the product. The infrared transmitter is located at the
end of the MI 301 opposite to the power button.
• Point the MI 301 at the IR receiver on the product, ± 12°.
• Restart the app.
• Your product may not support IR. See section about supported
Grundfos products.
Remedy
• Hold the MI 301 closer to the product.
• Restart the app.
• Your product may not support radio. See the section concerning
supported Grundfos products.
Remedy
• Move the smartphone closer to the MI 301. If this does not solve
the problem, it may be necessary to pair the two products again in
the GO settings.
• Charge the battery for two to four hours.
Remedy
• Move the smartphone closer to the MI 301.
• Switch on the MI 301 using the power button. The indicator light
starts flashing blue.
• Charge the MI 301.