7. CUSTOMER GUIDANCE
Explain the following to the customer in accordance with the operating manual:
(1) Starting and stopping method, operation switching, temperature adjustment, timer, air
fl ow adjustment, and other remote control unit operations.
(2) Air fi lter removal and cleaning.
(3) Give the operating manual and installation instruction sheet to the customer.
8. ERROR CODE
• If an error occurs, the LED will light up to display the error location and the error code.
8.1. In the event of an error
• The error LED fl ashes quickly.
POWER
ERROR
MODE
A
Blink
(High-speed)
8.2. Error location display
• LEDs A to F of MONITOR light up and display the error location. In the case of an overall
error, LEDs A to F of MONITOR do not light up.
Example) Coil error in indoor unit A
POWER
ERROR
MODE
A
Blink
(High-speed)
8.3. Error code display
• While the error is occurring, briefl y press SW1. The error code is displayed.
Example) Coil error (Error code = 9A.1)
POWER
ERROR
MODE
Blink
(High-speed)
(9 times)
9374995677-02_IM.indb 13
9374995677-02_IM.indb 13
MONITOR
B
C
D
E
F
MONITOR
B
C
D
E
F
MONITOR
A
B
C
D
E
F
[A(10)]
[A (10 times)]
1
Display mode
LED on:
LED off:
Blink:
(0.5s Light on
/ 0.5s Light off)
Number
of blinking: ( )
For MONITOR
(A and B)
A: 10 times
C: 11 times
F: 12 times
J: 13 times
P: 14 times
U: 15 times
Error code
11.3
Serial communication error
11.4
Serial communication error during operation
16.5
Communication error between controller and outdoor unit
22.1
Indoor unit capacity error
5U.1
Indoor unit error
62.1
PCB model information error
62.3
EEPROM access error
62.8
EEPROM data corruption error
63.1
Inverter error
65.3
IPM error (Trip terminal L error)
71.1
Discharge temp. sensor error
72.1
Compressor temp. sensor error
73.2
Heat ex. middle temp. sensor error
73.3
Heat ex. liquid temp. sensor error
74.1
Outdoor temp. sensor error
75.1
Suction gas temp. sensor error
76.1
Valve sensor error
76.2
77.1
Heat sink temp. sensor error
84.1
Current sensor 1 error (stoppage permanently)
86.1
Discharge pressure sensor error
86.4
High pressure switch 1 error
94.1
Trip detection
95.1
Compressor motor control error (stoppage permanently)
97.3
Fan motor 1 error (Duty error)
98.3
Fan motor 2 error (Duty error)
99.1
4-way valve error
9A.1
Coil 1 (expansion valve 1) error
A1.1
Discharge temperature 1 error (stoppage permanently)
A3.1
Compressor 1 temperature error
C
D
E
F
1
2
3
4
5
6
7
8
9
A
C
F
J
P
U
Error type
En-13
12/9/2020 3:41:48 PM
12/9/2020 3:41:48 PM