Friedrich KUHL R-410A - Manual (Page 19)

18
Electronic Control System Maintenance Operation
To Enter the Maintenance Section:
Press SYSTEM+SCHEDULE+BACK+DISPLAY/ENTER for 6 seconds.
There are 5 maintenance sub-menus M1 through M5.
Maintenance Sub-Menus
Access
M1 – Temperature High Limit
Service Only
M2 – Temperature Low Limit Service Only
M3 – Test Mode Access Service Only
M4 – Provision Switch Setting & State Factory Use Only
M5 – Alarms & History
M6 – Factory Use Only Factory Use Only
Service Only
Pressing the ▼or ▲key cycles through the sub-menus. Press DISPLAY/ENTER to
enter a sub-menu. The BACK key is used to exit the menu.
Extreme care must
be taken when modifying parameters in the maintenance menus.