Mitsubishi Electric PUHZ-HW112YHA-BS, Service Manual

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[Fan control state] (Request code "53 " )
Data display
Fan step correction value by heatsink temperature overheat prevention control
Fan step correction value by cool condensation temperature overheat prevention control
0 0
Display Correction value
- (minus) – 1
0 0
2
[Actuator output state] (Request code "54" )
Data display
Actuator output state
1
Actuator output state
2
0 0
Actuator output state
1
Display SV1 Four-way valve Compressor
0
1
2
3
4
5
6
9
A
b
C
d
E
F
8
7
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
Actuator output state
2
Display 52C SV2 SS
0
1
2
3
4
5
6
7
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
[Error content (U9)] (Request code "55" )
Data display
Error content
1
Error content
2
0 0
Error content
1
: Detected
Display
Overvoltage Undervoltage L
1
-phase Power synchronizing
error error open error signal error
0
1
2
3
4
5
6
7
8
9
A
b
C
d
E
F
Error content
2
: Detected
Display
Converter Fo
PAM error
error
0
1
2
3
Compressor is
warming up
1 +1
+2
OCH526C