Fault Finding The Product; The App Does Not Start Or Freezes; Mi 301 Cannot Connect Via Infrared (Ir); 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 needs to be restarted.

6.2 MI 301 cannot connect via infrared (IR)

Cause
MI 301 is too far away from the product.
Incorrect transmission angle.
App problem.
No IR on the pump.
Related information
2.4 Supported Grundfos products
4.4 IR connection

6.3 MI 301 cannot connect via radio

Cause
MI 301 is too far away from the product.
App problem.
The product has no radio connection.
Related information
2.4 Supported Grundfos products
4.3 Radio connection

6.4 The connection between the smartphone and MI 301 is lost

The display shows Mobile interface disconnected.
Cause
Outside Bluetooth range.
Low battery.
Related information
5.2.1 Charging

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

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