Mitsubishi Electric PUZ-ZM60VHA2, Service Manual

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90
OCH771
Request code
Request content
Description
(Display range)
Unit Remarks
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
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135
136
137
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140
~
146
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151
152
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
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
− 40–200
− 39–88
− 39–88
0–255
0–130
0–255
0–10
0–9999
0–9999
0–500
0–500
0–999
− 39–88
− 39–88
− 39–88
− 39–88
− 39–88
− 39–88
Code
Code
Code
Sensor
number
–
A
10 hours
100 times
:
:
:
:
:
:
:
Hz
Step
rpm
rpm
Pulses
Pulses
Minutes
:
:
:
:
:
:
"0" is displayed if the air conditioner is a single-
fan type.
Average value of all indoor units is displayed if the air condi-
tioner consists of 2 or more indoor units (twin, triple, quad).
Average value of all indoor units is displayed if the air condi-
tioner consists of 2 or more indoor units (twin, triple, quad).
Error history 1 (latest)
Error history 2 (second to last)
Error history 3 (third to last)
Abnormal thermistor display
(TH3/TH6/TH7/TH8)
Operation mode at time of error
Compressor-Operating current at time of error
Compressor-Accumulated operating time at time of error
Compressor-Number of operation times at time of error
Discharge temperature (TH4) or comp. surface
temperature (TH33) at time of error
Outdoor unit -Liquid pipe 1 temperature (TH3) at time of error
Outdoor unit-2-phase pipe temperature (TH6) at time of error
Outdoor unit-Outside air temperature (TH7) at time of error
Outdoor unit-Heatsink temperature (TH8) at time of error
Discharge superheat (SHd) at time of error
Sub-cool (SC) at time of error
Compressor-Operating frequency at time of error
Outdoor unit at time of error
• Fan output step
Outdoor unit at time of error
• Fan 1 speed (Only for air conditioners with DC fan)
Outdoor unit at time of error
• Fan 2 speed (Only for air conditioners with DC fan)
LEV (A) opening at time of error
LEV (B) opening at time of error
Thermostat ON time until operation stops due to error
Indoor -Liquid pipe temperature at time of error
Indoor -Cond/Eva. pipe temperature at time of error
Indoor at time of error
• Intake air temperature <Thermostat judge temperature>
Indoor -Actual intake air temperature
Indoor -Liquid pipe temperature
Indoor -Cond/Eva. pipe temperature
3