MCD5 & MWD5 thermostat diagnostic procedure

MCD5 & MWD5 thermostat diagnostic procedure

If the floor heating is not heating up then follow these steps in order
  1. Turn the thermostat to manual mode
  2. Change the temperature to 40 degrees
  3. Wait for 12 hours to see if the floor temperature is noticeably warmer. 
  4. If it is not noticeably warmer after 12 hours there may be a schedule or other setting that is impacting the thermostats operation. We recommend resetting the thermostat back to its factory default settings.
  5. Perform a Factory Reset
  6. We suggest setting the thermostat into manual mode again and changing the temperature to 40 degree and waiting for 12 hours
  7. If the floor heating is still not warming up then please send Coldbuster the thermostats settings and information for further analysis.
  8. To easily obtain the thermostat information just scan the QR code using your mobile phone. To get the QR code
    1. Tap the Menu button on the home screen.
    2. Tap the User Settings button to access the various user settings.
    3. Scroll down and tap the Information Button.
    4. Tap the QR button and scan the QR Code with a suitable device with access to the internet.
  9. Send the results of the QR code via email to Coldbuster at support@coldbuster.com.au

Error messages:
If a fault or error occurs, the thermostat will display one of the following error messages
E0: Internal failure. The thermostat is defective. Contact Coldbuster. The thermostat must be replaced.
E1: Internal sensor defective or short circuited. Contact Coldbuster. The thermostat must be replaced.
E2: External wired floor sensor disconnected, defective or short-circuited. Contact Coldbuster for reconnection or replacement.
E5: Internal overheating. Contact Coldbuster in order to have the installation inspected.

If 3 circles containing dots are displayed on the screen then the child lock has been enabled. Refer to the user manual for how to unlock.

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