A
Danf
oss
80G8442
A
• After 5 minutes of no activity, the keypad is locked (if P76=yes).
• When the keypad is locked any button press shows “LoC” in the
display.
• Press UP and DOWN buttons simultaneously for 3 seconds to unlock
the keyboard. “unl” is displayed for 3 seconds.
1.
2.
3.
Lock keyboard
Figure 20: Lock keyboard
Factory resetting
The controller can be set back to factory settings by using the following procedure:
Power OFF controller.
Keep up "
∧
" and down "
∨
" arrow buttons pressed while reconnecting the supply voltage.
When the code “Fac” is shown in the display, select "yes".
NOTE:
The OEM factory setting will either be the Danfoss factory settings or a user defined factory setting if one has been
made. The user can save his setting as OEM factory setting via parameter o67.
Display codes
Table 10: Display codes
Code
Description
-d-
Defrost cycle is in progress
Pud
A temperature pulldown cycle has been initiated
Err
The temperature cannot be displayed due to a sensor error
---
Shown in top of display: The parameter value has reached max. Limit
---
Shown in bottom of display: The parameter value has reached min. Limit
Loc
The display keyboard is locked
UnL
The display keyboard has been unlocked
PS
The access code is required to enter the parameter menu
Axx/Exx
Alarm or error code flashing with normal temp. readout
OFF
Control is stopped as r12 Main switch is set OFF
On
Control is started as r12 Main switch is set ON (code shown in 3 seconds)
Fac
The controller is reset to factory setting
Parameter list
The parameter menu is accessed by pressing the “SET” key for 3 seconds. If an access protection code “o05” has
been defined the display will ask for the access code by showing the code “PS”. Once the access code has been
provided by the user, the parameter list will be accessed.
© Danfoss | Climate Solutions | 2023.05
BC432222569027en-000201 | 21
Case controller, type EKC 223 and EKC 224