Instruction
SiENBE18-621
226
System Configuration
LED ON OUTDOOR UNIT PCB 3MXS, 3MKS, 4MXS, 4MKS series
LED ON OUTDOOR UNIT PCB 2MXS, 2MKS serie
NOTES
GREEN
RED
MICROCOMPUTER
NORMAL
MALFUNCTION
DETECTION
LED_A
LED1 LED2 LED3 LED4
DIAGNOSIS
5
1
1
1
1
NORMAL
,
CHECK INDOOR UNIT
5
4
1
4
4
HIGH PRESSURE PROTECTOR WORKED OR FREEZE-UP IN OPERATING
UNIT OR STAND-BY UNIT
5
4
1
4
1
* OVERLOAD RELAY WORKED OR HIGH DISCHARGE PIPE TEMPERATURE
5
1
4
4
1
FAULTY COMPRESSOR START
5
1
4
1
4
INPUT OVERCURRENT
5
4
4
1
1
* THERMISTOR OR CT ABNORMALITY
5
4
4
1
4
HIGH TEMPERATURE SWITCHBOX
5
1
1
1
4
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
5
1
1
4
1
* OUTPUT OVERCURRENT
5
1
1
4
4
* REFRIGERANT SHORTAGE
5
4
1
1
4
LOW VOLTAGE TO MAIN CIRCUIT OR MOMENTARY VOLTAGE LOSS
5
4
1
1
1
REVERSING SOLENOID VALVE SWITCHING FAILURE
5
4
4
4
4
FAN MOTOR FAULT
4
_
_
_
_
[NOTE 1]
1
_
_
_
_
POWER SUPPLY FAULT OR [NOTE 2]
GREEN
NORMALLY FLASHING
RED
NORMALLY OFF
4
ON
5
FLASHING
1
OFF
-
IRRELEVANT
GREEN
MICROCOMPUTER
NORMAL
LED_A
DIAGNOSIS
5
NORMAL
,
CHECK INDOOR UNIT
4
[NOTE 1]
1
POWER SUPPLY FAULT OR [NOTE 2]
GREEN
NORMALLY FLASHING
4
ON
5
FLASHING
1
OFF
1. Turn the power off and then on again. If the LED display recurs,the outdoor unit PCB is faulty.
2. Diagnosis marked
*Do not apply to some cases. For details, refer to the service guide.
Summary of Contents for BPMKS967B2B
Page 1: ...SiENBE18 621 E Series Service Manual Applied Models Super Multi Plus Heat Pump...
Page 12: ...SiENBE18 621 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Page 19: ...List of Functions SiENBE18 621 8 List of Functions...
Page 33: ...Specifications SiENBE18 621 22 Specifications...
Page 69: ...Refrigerant Flow for Each Operation Mode SiENBE18 621 58 Refrigerant Circuit...
Page 121: ...Indoor Unit SkyAir Models SiENBE18 621 110 Function...
Page 169: ...Instruction SiENBE18 621 158 System Configuration FTXS 20 25 35C Indoor Unit...
Page 371: ...Method of Replacing The Inverter s Power Transistors Modules SiENBE18 621 360 Troubleshooting...
Page 393: ...SiENBE18 621 vi Index...