10 Troubleshooting
Troubleshooting in check mode
SMGB0136 rev.0 - 07/2021
306
Capacity table for the outdoor units
Indication Capacity (kW) Horsepower (HP)
32 12.1 4.0
40 14.0 5.0
48 15.5 6.0
Capacity table for the indoor units
Indication
Capacity
(kW)
Horsepower
(HP)
Indication
Capacity
( kW)
Horsepower
(HP)
3 1.1 0.4 16 5.6 2.3
5 1.8 0.6 18 6.3 2.5
6 2.2 0.8 20 7.1 2.8
8 2.8 1.0 22 8.0 3.0
10 3.6 1.3 26 9.0 3.3
11 4.0 1.5 32 11.2 4.0
13 4.5 1.8 40 14.0 5.0
14 5.0 2.0 48 16.0 6.0
Cause of indoor unit stoppage
? NOTE
Depends on models some causes are not applicable.
Code Cause Code Cause
0
Operation OFF, Power OFF
16
Retry due to Decrease of Discharge Gas Superheat
1
Thermo-OFF
17
Retry due to inverter tripping
2
Alarm (Not always indicated)
18
Retry due to voltage decrease / Increase, other retry of inverter
3
Freeze Protection, Overheating Protection
19
Expansion Valve Opening Difference Protection
5
Instantaneous Power Failure at Outdoor Unit
21
Forced Thermo-OFF for Oil Return
6
Instantaneous Power Failure at Indoor Unit
22
Enforced Thermo-OFF for Hot Start Control at Crankcase
Heater Preheating
7
Stoppage of Cooling Operation due to High/Low
Outdoor Air Temperature Stoppage of Heating
Operation due to High Outdoor Air Temperature
26
Retry due to High Pressure Decrease
28
Stoppage due to Outlet Temperature Decrease in Cooling
10
Demand Enforced Stoppage
33-34
Stoppage of Thermo-OFF by Motion Sensor
11
Retry due to Pressure Ratio Decrease
35
Retry due to abnormal operating mode (4-way valve switching
failure)
12
Retry due to Low Pressure Increase
36
Retry after Defrosting Operation
13
Retry due to High Pressure Increase
39
Stoppage of Thermo-OFF due to Power Saving Control
15
Retry due to Discharge Gas Temperature
Increase, Retry due to Low Pressure Decrease
41
Stoppage of Thermo-OFF due to Outdoor unit Control
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