Diagnostic Checklist; Test Operation Mode And Check Mode - Samsung AC009BNLDCH Service Manual

4-3. Diagnostic Checklist

4-3-1. Test operation mode and check mode

■ Display Options key
Key Push type Mode
1st Heating test mode
K1 Short 2nd Defrost test mode ¹⁾
3rd End Key operation
1st Cooling test mode
2nd Inverter check
3rd Pump down
4th Unuesal
Inverter Fault
5th
K2 Short
Detection (Comp#1)
6th Auto trial operation
Auto check
7th (Installtion
commissioning mode)
8th End Key operation
Reset Release Eco
K3 Short 1st
mode
1) Defrost test mode
Condition 1: The outdoor temperature is below 10°C.
Condition 2: All the temperature conditions should meet the defrost conditions.
2) Indication on the display and action to take when an inverter fault is detected
SEG1 SEG2 SEG3
Fault
detection
is in
progress
OK
NG
Check
Going
into fault
detection
mode
failed
3) Auto check (Installation commissioning mode)
To ensure normal operation of the product, first make sure to complete auto
check. .
※ AC***BXSCCC series are not allowed to proceed K1 key test operation mode
due to cooling only models.
Samsung Electronics
Display
SEG 1 SEG 2 SEG 3
2)
3)
Action to
SEG4
take
-
-
PBA defect:
Replace the
PBA
Manual
7-segment display 7-segment display
inspection is
required
Try fault
detection
again
<AC024/030/036/042/048BXADCH,
AC030/036BXSCCC, AC030/036BXSCCH>
SEG 4
7-segment display 7-segment display
Key Switch Key Switch
<AC009/012/018BXADCH, AC018/024BXSCCC>
Key Switch Key Switch
Troubleshooting
4-41