Service manual

12-25
CONTROL SYSTEM
SM CINCO 1-A.1 GB
IsInstTestCompleted=1
Electrical Power Up
No
Enter or ESC is
pressed?
Blink “it”
Start
Installation test
Present Normal HMI
Yes
ESC
Enter
1 hr passed?
No
Yes
Else
During the test, the unit will show count down counter (in minutes). The test maximum time is 20 minutes. 4.
When the test is finished, the system will show the test result, pass or fail.5.
You can scroll the menu to observe:6.
Observe the matrix resulta.
Guide for problem correction.b.
For fixing problem, copy on paper the results displayed results, 7. power off the unit, and then fix the problem
accordingly. Do not do any wire fixing under power!
Note:
You can exit the installation test any moment by pressing Esc for 5 seconds.
When exiting the test, the system will still keep the latest result from the previous test.
12.7.8 Faults during the test
Upon the following the system will terminate installation test:
Fault (display) Reasons
‘OAT’ blink Outdoor ambient temperature is too low, cannot run installation test.
‘IDU’ blink
The selected number of the installed indoor units by the technician
does not match the number of indoor units detected by the system.
Display indoor or outdoor
fault as in diagnostics
Check indoor and outdoor diagnostics.
ICT disconnected will be tested during the first 3 minutes of installation
test.
Note: When the system terminates the tests due to the problem above, the matrix results will present partial
test.