Way, Mini 4 Way Cassette Type - Samsung AVXC1H022 series Service Manual

Alignment and Adjustments

3-1-2 4 way, Mini 4 way cassette type

I Error detection and reoperation
I
G If an error occurs during the operation, an LED flickers and the operation is stopped except the LED.
I
G If you re-operate the air conditioner, it operates normally at first, then detect an error again.
I Indoor unit LED lamp display at error detecting
Error type
Power reset
Indoor temperature sensor error
(Open/Short)
Indoor heat exchanger sensor error
Indoor heat exchanger OUT sensor error
Indoor emission temperature sensor error
(Open/Short) : Heater using models
Indoor fan motor error: maintains for
over 15 seconds below 450RPM
Outdoor temperature sensor error
COND sensor error
DISCHARGE sensor error
1. Detect the indoor unit when there is
no communication between the indoor
unit and outdoor unit for 2 minutes.
(When communication error is for
over 2 minutes)
2. The indoor unit receives the
communication error signal from the
outdoor unit
3. The outdoor unit tracking 3 minutes
error
4. When the outdoor unit transmits a
communication error which is caused
by difference between the number of
the installation unit and the number of
communication unit after completion
of tracking. (When communication
error is for over 2 minutes)
3-3
LED lamp display
Causes
When indoor and outdoor
power is on again
• Indoor temperature sensor
connector breakaway
• Short of temperature
sensor wire
• Indoor pipe temperature
sensor connector
breakaway
Not drive the indoor fan
motor
Outdoor unit operation
error
Outdoor unit operation
error
Follow-up measures
Not an error
• Check the indoor
temperature sensor
connector
• Check the temperature
sensor wire
• Check the temperature
sensor connector
breakaway
• Check the connector
breakaway
• Check the fan motor lock
• Manage after checking
the error on the outdoor
PCB display window
• Manage after checking
the error on the outdoor
PCB display window
: On : Flickering : Off
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