1 CCM-270A/WS
201807 125
CCM
-270A/WS
Service Manual
1.6 Failed to Upgrade the Equipment
Solution: While upgrading the CCM-270A/WS software, always make sure that the upgrade file is correct otherwise the
upgrade would fail.
1.7 Failed to save the Group Operation
Solution: Group operation: Make sure you tap "Save" at the bottom of the page to save all create and edit operations
(delete operation excluded). Otherwise, the changes will be discarded.
1.8 Failed to Execute the Weekly Plan
Solution:
1. Check whether the expected execution date of weekly plan falls under a holiday period and “Holiday” option is not
selected during setup.
2. Check whether the expected execution date of weekly plan is not in the cycle (for example, the cycle is configured that
execution is carried out during working days only, while the expected execution date is at the weekends and is not a
user-defined date. In this case, the weekly plan will not be executed on the expected date).
3. Check whether the expected weekly plan is within the valid period of the cycle.
1.9 Number of indoor units is less than the number of indoor units connected
Solution: For the new units, certain wired controllers support the access of multiple IDUs where these IDUs will then form
a “wired controller group”. In CCM-270A/WS, these IDUs will be treated as a single virtual IDU and in the icon view in the
“Control” page, the wired
1.10 Failed to find the required maps, while importing maps from USB disk
Solution: Ensure that the picture is a .jpeg or .png or .jpg file less than 1Mb and stored in the USB disk. The file should not
be inside any folder. It should be just inside the USB disk
1.11 CCM-270A/WS does not support other languages
The CCM-270A/WS only supports the input of English alphabets through the touch screen side. If it is required to input
other languages, use a browser on the computer.
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