Set Appliance State:

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Enter the installer mode and access level 2 - A1 for the low loss header setting.
(click here for information on how to do this)
If there is no low loss header fitted on the system this should be set to 0.
If a low loss header is fitted refer to Table 21 in the manufacturer’s instructions to ensure the setting is appropriate for the installation.
Are the settings appropriate?
Note:
It is not possible to access level 2 - A3 to amend the settings unless level 2 - A1 is set to something other than 0.