13 ICE A/C & HEX Combo Unit I&O Manual 07/2020 Rev.1
Figure 7. Menu Structure
Note: The above diagram is unit menu structure, not the factory setting.
Chapter 4: Maintenance
WARNING
All maintenance shall be performed by qualied persons. Always disconnect the
power, communication and alarm output cables from the Combo Unit before any
maintenance and do not reconnect them until the maintenance is completed.
After the Combo Unit is powered on, please refer to section 2.9, and check whether the
air conditioner entered the normal interface, without any alarms.
And then perform the self test to check whether the unit is operating normally.
If the above two process are normal, it indicates that the Combo Unit is functioning
normally; otherwise refer to Table 3.
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