Samsung Electronics
4-1
4. Troubleshooting
4-1 Indoor Display Error and Check Method
Error detection and reoperation
If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.
When reoperating by remote control and switch determine the error mode after normal operation.
Indoor unit LED lamp display at error detecting
Error type
LED lamp display
Remarks
Operation Defrost
Timer
Air flow
Filter
Power reset
◑
X
X
X
X
Error of temperature sensor
in the indoor unit(Open/Short)
X
X
◑
X
X
Error of heat exchanger sensor
in the indoor unit
◑
X
◑
X
X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
◑
X
X
◑
X
1. No communication for 2 minutes between indoor units
(Communication error for more than 2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from the outdoor
unit, the mismatching of the communication numbers and
installed numbers after completion of tracking
4.
(Communication error for more than 2 minutes)
X
X
◑
◑
X
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. 2'nd detection of high temperature cond
4. 2'nd detection of high temperature discharge
5. Error of reverse phase
6. Compressor down due to 6'th detection of freezing
X
X
◑
◑
◑
Detection of the float switch
X
X
X
◑
◑
Error of setting option switches for optional accessories
X
X
◑
X
◑
EEPROM option error
◑
◑
◑
◑
◑
● :
On,
◑ :
Flickering,
X:
OFF
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Summary of Contents for CH070EAV1
Page 40: ...3 22 Samsung Electronics MEMO...
Page 88: ...Product Specifications 5 10 Samsung Electronics 5 4 Assy control out UH090 105 140EAV...
Page 90: ...Product Specifications 5 12 Samsung Electronics UH070EAV1...
Page 92: ...5 14 Samsung Electronics MEMO...
Page 99: ...Samsung Electronics 6 7 6 1 5 OUTDOOR DISPLAY PCB...
Page 100: ...6 8 Samsung Electronics MEMO...
