Mitsubishi Electric PUHZ-W50VHA Service Manual page 99

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103 Error history 1 (latest)
104 Error history 2 (second to last)
105 Error history 3 (third to last)
Abnormal thermistor display
106
(TH3/TH6/TH7/TH8/TH32)
107 Operation mode at time of error
Compressor-Operating current at time of error
108
Compressor-Accumulated operating time at time of error
109
110 Compressor-Number of operation times at time of error
111 Discharge temperature at time of error
112
Outdoor unit -Liquid pipe 1 temperature (TH3) at time of error
Water inlet temperature (TH32) at time of error
113
114 Plate HEX liquid pipe temperature (TH6) at time of error
115 Outdoor unit-Suction pipe temperature (TH33)
Outdoor unit-Outside air temperature (TH7) at time of error
116
117 Outdoor unit-Heatsink temperature (TH8) at time of error
118 Discharge superheat (SHd) at time of error
Sub-cool (SC) at time of error
119
120 Compressor-Operating frequency at time of error
Outdoor unit at time of error
121
• Fan output step
Outdoor unit at time of error
122
• Fan 1 speed (Only for air conditioners with DC fan)
Outdoor unit at time of error
123
• Fan 2 speed (Only for air conditioners with DC fan)
124
125 LEV (A) opening at time of error
126 LEV (B) opening at time of error
LEV (C) opening at time of error
127
128
129
Condensing temperature (T
63HS
Thermostat ON time until operation stops due to error
130
OCH439M
Displays error history. (" --" is displayed if no history is present.)
Displays error history. (" --" is displayed if no history is present.)
Displays error history. (" --" is displayed if no history is present.)
: TH3, TH32
3
6: TH6
7: TH7
8: TH8
0: No thermistor error
Displayed in the same way as request code "0".
0–50
0–9999
0–9999
3–217
−40–90
−40–101
−39–88
−39–88
−39–88
−40–200
0–255
0–130
0–255
0–10
0–9999
0–9999
0–500
0–500
0–500
−39–88
) at time of error
0–999
Description
Unit
(Display range)
Code
Code
Code
Sensor
number
–
A
10 hours
100 times
:
:
:
:
:
:
:
:
:
Hz
Step
rpm
rpm
Pulses
Pulses
Pulses
:
Minutes
99
Remarks
for HW112/140
"0" is displayed if the air conditioner is a single-
fan type.
for HW112/140