E83H: the speed of combustion-supporting fan is too low.

For those silent version(Index H28.181 - H28.184) of diesel combi boilers’83 error, please check the trouble shooting guide below:

1. If you see 83 error on the LCD controller for the first time, please

to 1.85, the password is 606838. After the firmware upgrade, we will

send you a new combustion fan to replace.

2. If you had 83 error once, and had upgraded the firmware version to

1.84 and replaced with a new combustion fan motor, but it gave 83 error

again, please contact us, you need to upgrade from 1.84 to 1.85, the

password is 606838 and we will send you a new combustion fan motor

again.

How to upgrade the firmware to 1.85, please check it below:

1. Please download the APP for the heater:

If your phone is iPhone, please search for MyBluee in the App store.

If your phone is Android, please download from this link:

https://drive.google.com/file/d/1HqHzbE6ko_Jr-XcMp8sdoNTRbWFnvFb

c/view?usp=sharing

2. Open the APP, and click CONNECT NEW DEVICE, and connect the APP

with your phone’s Bluetooth.

3. Click Settings, and find Firmware upgrade and enter the password:

606838 and wait until the upgrade completed.