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8-9-1. Detail Contents in Request Code
[Operation state] (Request code :" 0")
Data display
C 4
Operation mode
Display
Operation mode
0
STOP • FAN
C
COOL • DRY
H
HEAT
d
DEFROST
[Outdoor unit – Control state] (Request code :" 51")
Data display
0
0
0
0
Normal
0
0
0
1
Preparing for heat operation
0
0
0
2
Defrost
[Compressor – Frequency control state] (Request code :" 52")
Data display
0
0
Frequency control state 2
Frequency control state 1
Frequency control state
1
Display
Current limit control
0
No current limit
1
Primary current limit control is ON.
2
Secondary current limit control is ON.
[Fan control state] (Request code :" 53 ")
Data display
0
0
Display
Correction value
− (minus)
−1
0
0
1
+1
+2
2
OCH605A
Relay output state
Display
Relay output state
Operation mode
State
Frequency control state
Display
Fan step correction value by heat sink temperature overheat prevention control
Fan step correction value by cool condensation temperature overheat prevention control
Power currently
Compressor
supplied to compressor
0
–
1
2
3
4
5
6
7
8
ON
ON
A
2
Discharge temperature Condensation temperature
overheat prevention
overheat prevention
0
1
Controlled
2
Controlled
3
Controlled
Controlled
4
5
Controlled
6
Controlled
7
Controlled
Controlled
8
9
Controlled
A
Controlled
b
Controlled
Controlled
C
d
Controlled
E
Controlled
F
Controlled
Controlled
44
4-way valve
Solenoid valve
–
–
ON
ON
ON
ON
ON
ON
ON
ON
ON
Anti-freeze
Heat sink temperature
protection control
overheat prevention
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
–
ON
ON
ON
ON
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