Friedrich KUHL R-410A Service Manual page 21

M4 – Switch Access (Unit Configuration)
FACTORY USE ONLY
M5 – Error Codes & History
Maintenance funtion 5 is ready to be selected. Press DISPLAY/ENTER to access the function.
The error code display shows the error code number on the left, and the error code
history on the right. User presses the
The current state of the error code is shown with the On/Off icon. To exit the
maintenance sub-menu, press the BACK key to return to the M5 screen.
Shown on this display is error code 1 with 4 occurances. The current state is on.The
error code display shows the error code number on the left, and the error code history
on the right. User presses the
current state of the error code is shown with the On/Off icon. To exit to the
maintenance sub-menu, press the BACK key to return to the M5 screen. Shown on
this display is error code 6 with 3 occurances. The current state is off.
To Clear Error Codes' History:
Hold the or
M6 – Factory Use Only
20
or
or keys to cycle through the error codes. The
keys simultaneously for 3 seconds. See page 56 for alarm status and error codes.
Number of Errors
Error Code
keys to cycle through the error codes.
Error Code
On/Off