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SiENBE04-512A
Instruction
System Configuration
93
FAULT DIAGNOSIS BY REMOTE CONTROL
In the ARC433A series, the temperature display sections on the main unit indicate corresponding
codes.
1. When the TIMER CANCEL button is held down for 5 seconds, a “
00
” indication flashes
on the temperature display section.
2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.
•
The code indication changes as shown below, and notifies with a long beep.
NOTE
Call the service shop immediately.
CODE
MEANING
SYSTEM
00
NORMAL
U0
REFRIGERANT SHOTAGE
U2
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND
OUTDOOR UNIT)
INDOOR UNIT
A1
INDOOR PCB DEFECTIVENESS
A5
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A6
FAN MOTOR FAULT
C4
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9
FAULTY SUCTION AIR TEMPERATURE SENSOR
OUTDOOR UNIT
EA
COOLING-HEATING SWITCHING ERROR
E5
OL STARTED
E6
FAULTY COMPRESSOR START UP
E7
DC FAN MOTOR FAULT
E8
OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT
F3
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
F6
HIGH PRESSURE CONTROL (IN COOLING)
H6
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
H8
CT ABNORMALITY
H9
FAULTY SUCTION AIR TEMPERATURE SENSOR
J3
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
J6
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
L4
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
L5
OUTPUT OVERCURRENT
P4
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
1. A short beep and two consecutive beeps indicate non-corresponding codes.
2. To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code
display also cancel itself if the button is not pressed for 1 minute.
SiENBE04-512A.book Page 93 Friday, October 5, 2007 1:49 PM
Summary of Contents for FTKS20CVMB(9)
Page 1: ...SiENBE04 512A Service Manual Inverter Pair Wall Mounted Type C Series D Series...
Page 17: ...List of Functions SiENBE04 512A 8 List of Functions...
Page 37: ...Specifications SiENBE04 512A 28 Specifications...
Page 73: ...Control Specification SiENBE04 512A 64 Function and Control...
Page 103: ...Instruction SiENBE04 512A 94 System Configuration...
Page 147: ...Check SiENBE04 512A 138 Service Diagnosis...
Page 225: ...Outdoor Unit RK X H C ARK X H C R Y N C SiENBE04 512A 216 Removal Procedure...
Page 229: ...Others SiENBE04 512A 220 Others...
Page 241: ...Wiring Diagrams SiENBE04 512A 232 Appendix...