GREE U-Match 6 SERIES UNIT SERVICE MANUAL
19
ON/OFF of unit can be controlled. If long-distance monitoring or centralized controller information
is received when the room card is not inserted, the icon
is cleared. When the card is
reinserted, door control function is judged to be turned on. If long-distance monitoring or
centralized controller information is received when the room card is inserted, it will keep the
original status.
②
The unit cannot be controlled by buttons when the card is not inserted.
2.3.6 Switch between Fahrenheit(℉) and Degree Celsius(℃)
(1) Under ON or OFF status, Long press “FUNCTION” button for 5s and the temperature zone
displays “C00”; then press “MODE” button three times in one second;
(2) Long press “FUNCTION” button for another 5s to enter the interface of setting wired controller
parameters. “P00” is displayed in temperature zone;
(3) Press “
+
” or “
-
” button to select parameter code to “P16”. Press “MODE” button to enter
parameter setting. At that time, parameter value is blinking at time displaying zone. Press “
+
” or
“
-
” button to adjust the parameter value and press “ENTER” button to finish setting. When the
parameter value is “01”, the unit is Fahrenheit. When the parameter value is “00”, the unit is
Celsius. The default value of parameter is “00”.
2.3.7 Inquiry of Ambient Temperature
Under power-off or power-on status, press and hold “ENTER” button for 5 seconds, and the wired
controller will display the indoor temperature for 5 seconds. Within the 5 seconds, it can quit displaying
the indoor temperature immediately and be responded to the instructions as usual after pressing any
buttons.
2.3.8 Inquiry of Historical Malfunction
Under ON or OFF status, Long press
“
FUNCTION
”
button for 5s and the temperature zone
displays
“
C00
”
; then press
“
MODE
”
button three times in one second. Then:
(1) Inquiry of historical malfunction of indoor unit: press “
+
” or “
-
” button to select parameter code
“C05”. Press “MODE” button to enter the interface of viewing historical malfunction of indoor unit.
If there are several indoor units in network, press “
+
” or “
-
” button and press “MODE” button to
select the indoor unit. Press “
+
” or “
-
” button to view the 5 malfunctions happened recently.