Mitsubishi SUZ-KA35VA Service Manual page 67

Indication
No. Symptom
LED1 (Red) LED2 (Yellow)
Outdoor unit
20 Once Lighting
operates.
Twice Lighting
21
3 times
22
Lighting
4 times
23 Lighting
5 times Lighting
24
Outdoor unit
operates 9 times
25 Lighting
Lighting
26
Lighting
OC322G
Abnormal point/Condition
Primary current protection When the input current exceeds 15A.
Secondary current protection When the current of the compressor exceeds 15A.
High-pressure protection
When the indoor gas pipe temperature exceeds 45
Defrosting in cooling When the indoor gas pipe temperature falls 3
Discharge temperature
When the discharge temperature exceeds 100
protection
When the frequency of the compressor is kept 80Hz or more and
Low discharge
the discharge temperature is kept under 39
temperature protection
minutes.
Cooling high-pressure
When the outdoor heat exchanger temperature exceeds 58
protection
during operation.
Inverter check mode When the unit is operated with emergency operation switch.
Normal
Condition
during heating.
or below during cooling.
during operation.
for more than 20
-
67
Correspondence
These symptoms do not mean any abnormality
of the product, but check the following points.
• Check if indoor filters are clogged.
• Check if refrigerant is short.
• Check if indoor/outdoor unit air circulation is
short cycled.
• Check refrigerant circuit and refrigerant amount.
• Refer to 12-5. "Check of LEV".
• Refer to 12-5. "Check of outdoor thermistors".
• Refer to 12-5. "Check of LEV".
• Check refrigerant circuit and refrigerant amount.
This symptom does not mean any abnormality
of the product, but check the following points.
• Check if indoor filters are clogged.
• Check if refrigerant is short.
• Check if indoor/outdoor unit air circulation is
short cycled.
-
-