→[ ], please select appropriate ventilation mode.
Query indoor malfunction history:
In the state of power on or power off, press [CHECK] button, enter the malfunction-querying
mode of all indoor units in the group. Then [CHECK] and [UNIT NO.] will display, and the actual
indoor numbers will be displayed in some sequence (unit number is in decimals). At the same
time, in the time region, there will be the current malfunction and the latest time malfunction, the
displaying format is [XX：YY], in which XX stands for the current malfunction, if normal, it will
display “――”; YY stands for the latest time malfunction. The failure code of every unit will display
for 3 seconds. After the failure codes of all indoor units in the whole group are displayed, the
mode will quit automatically.
Clear abnormal state and malfunction history:
In normal state, press [CHECK] button for 5 seconds to clear abnormal states, at the same time,
wired controller will send the data of “clear abnormal state”, but the malfunction history still
retains.
In normal state, press [CHECK] button for 15 seconds, except for malfunction states, the
malfunction history in wired controller will be cleared.
Query indoor performance state:
In normal state, press both buttons of [CHECK] and [FILTER] for 5 seconds, in the set
temperature region in the screen, [XX] will display, XX is indoor number, which can be selected by
pressing [TEMP] [+] [-]. In the timer region in the screen, [YZZZ] will display, in which Y stands for
data type, ZZZ stands for the corresponding data. which can be selected by pressing [CLOCK] [+]
[-].
Y ZZZ Type
A Indoor capacity (W) Nominal cooling
capacity/10, decimal
B Request of indoor capacity（Hz） Actual value, decimal
C Temperature of indoor ambient
temp. sensor TA
Actual value, decimal
d Temperature of indoor gas pipe
sensor TC1
Actual value, decimal
E Temperature of indoor liquid pipe
sensor TC2
Actual value, decimal
F Open degree of indoor PMV Actual value, decimal
g Preset ―――
H Outdoor total capacity Actual value, decimal
In check mode, press [CHECK] to quit the check mode, and go into normal running mode.
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