VD (E2.1) 07/2017 page 21/96
5. Start up
After connecting the supply lines (chap 4), turn on the chamber via the main power switch (1):
• Position 0: Oven without function
• Position I: Oven operating
Warming chambers may release odors in the first few days after commissioning. This is not a quality
defect. To reduce odors quickly we recommend heating up the chamber to its nominal temperature for
one day and in a well-ventilated location.
5.1 Settings at the RD3 program controller
After turning on the chamber at the main power switch (1), the controller is in Normal Display / Fixed
value operation mode.
Depending on the temperature value entered before, LED (7a) is lit if the heating is active, or no LED is lit
if the actual temperature is equal to or above the set-point.
In Display 1 of the controller the actual temperature value is displayed.
• With inactive week program timer:
In Display 2 of the controller the actual date and time are displayed. Example:
15.05.06 13:52
• With active week program timer:
In Display 2 of the controller the actual date and time and the states of the week program timer
channels are displayed. Examples:
15.05.06 13:52 - -
15.05.06 13:52 - �
15.05.06 13:52 � -
15.05.06 13:52 � �
Channel 1 Off,
Channel 2: Off
Channel 1: Off,
Channel 2: On
Channel 1: On,
Channel 2: Off
Channel 1 On,
Channel 2: On
(7a) LED Heating active
(7b) LED Operation line 1 ON
(7c) LED Operation line 2 ON
(7d)
LED lit: program operation
LED flashing: exceeding of the
tolerance limits in “Fixed value
entry mode” or in “Program
operation”. In program operation:
program interruption.
Figure 8: RD3 program controller
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