-
165
-
'20 • PAC-SM-351
Error code
Remote control:
Content
1-time flashKeeps flashing
Keeps flashing
––
Indoor display
RUN light TIMER light
Green LED
Yellow LED
Red LED
Outdoor unit
control PCB
Outdoor unit
inverter PCB
Low pressure error or
low pressure sensor anomaly (2/2)
E49
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
NO
YES
NO
YES
Is the
service valve fully
opened?
Are the
connections of low
pressure sensor and suction pipe
temprerature sensor
connector OK?
NO
YES
NO
YES
Are the
characteristics of
low pressure sensor, suction
pipe temperature
sensor OK?
Is the low
pressure normal during
operation?
From previous page.
Open fully.
Correct connector.
Defective low pressure
sensor, suction pipe
temperature sensor
➞
Replace.
Charge refrigerant.
Defective outdoor unit
control PCB
➞
Replace.
(Defective low pressure
sensor, suction pipe
temperature sensor circuits)
2. Error detection method
3 .
Condition of error displayed
4. Presumable cause
Note:
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