Dometic RMS 8550 - Overview Software Changes

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6.2 Overview software changes
6.2.1 MES models (RM 8xx1)
Change
Software: DC low voltage detection
sequence changed (changes within 1
sec, if 12 V heater DC is available)
Software: DC low voltage detection
reduced to 8.5 V. Sensitivity for
ground difference increased to 1.3 V ;
white ground cable linked with black
ground cable (both of X105).
Software: adjusted to longer ignition
times of burner control P810
Softwareänderung; EMC improve-
ment for frequency1 Hz-1 Mhz
Version for RMD 8XX1 models
driver for external status LED
frameheater driver via right button
automatic frame heater switch off
after 2 hours no electrical doorlock
driver no "learning" necessary
when starting the servicemode all
LEDs are lighted followed by the SW
status if the door is open longer than
2 minutes, the blue external LED will
flash no DC low voltage detection.
MES_Jun_27
MES_10_Sept
MES_Sept_28
MES_Oct_15
MES_1.2
green "geprüft"-
sticker on hou-
sing
white cross on
housing
white circle on
housing
white circle with
cross on hou-
sing or sticker
on PCB
sticker on PCB
and shown in
servicemode
Software name
Marking
No.
1.
2.
3.
4.
5.
introduced since
week 26 / 2007
week 37, 2007
week 41, 2007
week 45, 2007
week 21, 2009
Appendix