Mitsubishi Electric PUHZ-W85VAA Service Manual page 52

Air to water heat pump units
Hide thumbs Also See for PUHZ-W85VAA:
Table of Contents

Advertisement

Request content
Error history 1 (latest)
103
Error history 2 (second to last)
104
105
Error history 3 (third to last)
Abnormal thermistor display
106
(TH3/TH6/TH7/TH8)
107
Operation mode at time of error
Compressor-Operating current at time of error
108
109
Compressor-Accumulated operating time at time of error
Compressor-Number of operation times at time of error
110
111
Discharge temperature at time of error
112
Outdoor unit -Liquid pipe 1 temperature (TH3) at time of error
113
114
115
116
Outdoor unit-Outside air temperature (TH7) at time of error
Outdoor unit-Heat sink temperature (TH8) at time of error
117
Discharge superheat (SHd) at time of error
118
119
Sub-cool (SC) at time of error
Compressor-Operating frequency at time of error
120
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
LEV (A) opening at time of error
125
126
LEV (B) opening at time of error
127
128
129
Condensing temperature (T
63HS
130
Thermostat ON time until operation stops due to error
OCH681
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
−40–90
−40–200
0–255
0–130
0–255
0–10
0–9999
0–9999
0–500
0–500
−39–88
) at the 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
:
Minutes
52
Remarks
"0" is displayed if the air conditioner is a single-
fan type.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents