11 Maintenance notes
Service and maintenance table through the remote control switch
SMGB0136 rev.0 - 07/2021
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11
11.5 Service and maintenance table through the remote control switch
11.5.1 RAS-3HVRC2
Data sheet for the checks using the remote control switch:
Time : : : : :
IU model
IU serial number
IU number / Alarm code
Check
mode 1
Check
mode 2
1 · 2 1 · 2 1 · 2 1 · 2 1 · 2
B Temperature indication
Temperature setting b1 --
Inlet air temperature b2 q1
Discharge air temperature b3 q2
Liquid pipe temperature b4 q3
Remote thermistor temperature b5 --
Outlet air temperature b6 q4
Gas pipe temperature b7 q5
Evaporating temperature in heating mode b8 q6
Control information b9 q7
Temperature of the upper part of the
compressor
bA q8
Thermo temperature of remote control
switch
bb --
Not prepared bC --
C Indication of the microcomputer state
IU microcomputer C1 --
OU microcomputer C2 --
D Stoppage cause state indication
Cause code of Indoor Unit Stoppage d1 --
E Alarm fault
Times of Abnormality E1 --
Times of Power Failure E2 --
Times of Abnormal Communication E3 --
Times of Inverter Tripping E4 --
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