18
Check and Confirmation
When “MODE” findication goes off
The system stops because the protective device worked.
When a trouble was detected in operation
Be sure to read the Owner’s Manual attached to the indoor unit before asking repair/service, and then contact the dealer
which you purchased the air conditioner.
Notify the following items when you ask repair.
• Model name of indoor/outdoor air conditioner
• Date when you purchased air conditioner
• Trouble status (Details as possible)
FILTER RESET
ON
UNIT
CHECK
1
LOUVER
FAN
TEMP.
MODE
MONITOR/SET ALL/ZONE
ZONE
UNIT
ON CENTER/LOCKED
CHECK
ZONE SET/ENTER SELECT
OFF
TIMER ON
CHECK button
Unit No.
Check code
CHECK
1
CHECK
1
CHECK
2
UNIT
UNIT
<Indication Example>
• CHECK 1 : Trouble occurred at the first time
• CHECK 2 : Trouble occurred at the last (Latest)
The check code for an indoor unit without trouble is not
indicated.
If there is no trouble, “– –” is indicated.
• The check code is indicated for a short time, so push
“CHECK” button again if you could not read.
• Address, name, and phone No.
• Check code (No. indicating status of trouble)
Check procedure
Push “CHECK” button for 1 or 2 seconds. “CHECK” indication appears. The unit number is indicated and then the Check
code (number and alphabat) is displayed in the TEMP. indication part.
(Do not push the button for 5 seconds or more. If doing so, the check data is cleared.)
Typical Example
Check
Check position
code
04
Serial signal
08
4-way valve, indoor heat exchanger sensor
09
Gas amount, freezing, indoor heat exchanger sensor
0b
Drain pump water drain
(Float switch circuit on P.C. board)
0C
Room temp. sensor (TA) circuit
0d
Indoor heat exchanger sensor (TC) circuit
12
Indoor unit and other positions
14
Inverter over-current protective circuit
15
Multi controller
17
Current sensor circuit
18
Outdoor heat exchanger sensor (TE) circuit
19
Outdoor heat exchanger sensor (TL) circuit or
discharge piping sensor (TD) circuit
1C
Multi heat source unit
1d
Compressor system circuit
1E
Discharge piping sensor (TD) circuit
(Discharge temp.-up protective operation)
1F
Current detect circuit
20
Power system protective circuit
21
High-pressure switch system circuit
97
BUS communication circuit alarm
98
Setting duplication of network addresses
b5
External input
b6
External interlock input
b7
Group operation (No. 2 to 16 units) alarm
