ASCON Service Guide Book
75
Wall Mounted K-Series Inverter-Y model
Model Board Handset
A5WMY 10/15 KR
2P206569-4
APJ2
Indoor LED Indication
The operation lamp flashes when any of the following errors is detected.
1. When a protection device of the indoor or outdoor unit is activated or when the thermistor
malfunctions, disabling equipment operation.
2. When a signal transmission error occurs between the indoor and outdoor units.
Error code diagnosis conducted by Wireless Handset APJ2
The wireless handset can receive a corresponding error code from the indoor unit.
1. When is held down for 5 seconds, a indication blinks on the temperature display
section.
2. Press repeatedly until a continuously beep is produced.
The code indication changes in the sequence shown below, and notifies with a long beep.
CATEGORY
CODE DESCRIPTION
00 NORMAL
UA INDOOR-OUTDOOR UNIT COMBINATION FAULT
U0 REFRIGERANT SHORTAGE
U2 DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
SYSTEM
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR
UNIT)
A1 INDOOR PCB DEFECTIVENESS
A5 HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
A6 FAN MOTOR FAULT
C4 FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
INDOOR
UNIT
C9 FAULTY SUCTION AIR TEMPERATURE SENSOR
To Next Page
Loading...
Need help?
General
