Mitsubishi Electric PUZ-WM50VHA Service Manual page 62

Air to water heat pump units
Table of Contents

Advertisement

Request content
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)
107 Operation mode at time of error
108 Compressor-Operating current at time of error
109 Compressor-Accumulated operating time at time of error
110 Compressor-Number of operation times at time of error
111 Discharge temperature at time of error
Outdoor unit -Liquid pipe 1 temperature (TH3) at time of
112
error
113
114
115
116 Outdoor unit-Outside air temperature (TH7) at time of error −40–90
117 Outdoor unit-Heat sink temperature (TH8) at time of error
118 Discharge superheat (SHd) at time of error
119 Sub-cool (SC) at time of error
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
127
128
129
130 Thermostat ON time until operation stops due to error
OCH727
Description
(Display range)
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.)
3 : TH3
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
-20–217
−40–90
−40–200
0–255
0–130
0–255
0–16
0–9999
0–9999
0–500
0–999
62
Unit
Remarks
Code
Code
Code
Sensor
number
A
10 hours
100 times
°C
°C
°C
°C
°C
°C
Hz
Step
rpm
"0" is displayed if the air condi-
rpm
tioner is a singlefan type.
Pulses
Minutes

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents