Mitsubishi Heavy Industries FDT71VNXVD Service Manual page 39

(5) Check of anomalous operation data with the remote
controller
Operation data can be checked with remote control unit operation.
Press the button.
The display change "
Press the (SET) button while "
When only one indoor unit is connected to remote controller,
" " is displayed (blinking indication during data
loading).
Next, operation data of the indoor unit will be displayed. Skip to step .
When plural indoor units is connected, the smallest address number
of indoor unit among all connected indoor unit is displayed.
[Example]:
" " (blinking 1 seconds)
blinking.
Select the indoor unit number you would like to have data displayed
with the button.
Determine the indoor unit number with the
(The indoor unit number changes from blinking indication to
continuous indication)
" " (The address of selected indoor unit is blinking for 2
seconds.)
" " (A blinking indication appears while data loaded.)
Next, the operation data of the indoor unit is indicated.
Upon operation of the
displayed in order from data number 01.
The items displayed are in the above table.
*Depending on models, the items that do not have corresponding data are not displayed.
To display the data of a different indoor unit, press the
selection screen.
Pressing the button will stop displaying data.
Pressing the (RESET) button during remote control unit operation will undo your last operation and allow you to go back to
the previous screen.
If two (2) remote controllers are connected to one (1) inside unit, only the master controller is available for trial operation and
confirmation of operation data. (The slave remote controller is not available.)
Detail of Compre or protection tatu No. 33
No. Contents of display
"0" Normal
"1" Discharge pipe temperature protection control
"2" Discharge pipe temperature anomaly
"3" Current safe control of inverter primary current
"4" High pressure protection control
"5" High pressure anomaly
"6" Low pressure protection control
"7" Low pressure anomaly
"8" Anti-frost prevention control
"9" Current cut
"10" Power transistor protection control
"11" Power transistor anomaly (Overheat)
"12" Compression ratio control
"13" Spare
"14" Dewing prevention control
"15" Current safe control of inverter secondary current
"16" Stop by compressor rotor lock
"17" Stop by compressor startup failure
"
" is displayed.
"
(SET) button.
button, the current operation data is
In case of FDC100-140 refer to
P.25 .(a).1)
P.25 .(a).2)
P.27 .(g)
P.25 .(b).1) P.26
P.25 .(b).2)
P.26 .(e).1)
P.26 .(e).2)
P.27 .(k)
P.27 .(g)
P.27 .(h)
P.27 .(i)
P.26 .(f)
P.28 .(l)
P.27 .(g)
P.28 .(q)
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39
Number
01
02
03
04
05
06
07
08
09
10
11
12
21
22
"
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
button, which allows you to go back to the indoor unit
Note(1) Operation data display on the remote controller.
Data is dispalyed until canceling the protection control.
In case of multiple protections controlled, only the younger No. is displayed.
Note(2) Common item.
In heating mode.
During protection control by the command signal for reducing compressor
.(c).1)
frequency from indoor unit, No. "4" is displayed.
In cooling and dehumidifying mode.
During protection control by the command signal for reducing compressor
frequency from indoor unit, No. "8" is displayed.
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'10 • PAC-SM-137A
Data Item
(Operation Mode)
(Set Temperature)
(Return Air Temperature)
(Remote Controller Thermistor Tempeature)
(Indoor Heat Exchanger Thermistor / U Bend)
(Indoor Heat Exchanger Thermistor /Capillary)
(Indoor Heat Exchanger Thermistor /Gas Header)
(Indoor Unit Fan Speed)
(Frequency Requirements)
(Response Frequency)
(Pulse of Indoor Unit Expansion Value)
(Total Running Hours of The Indoor Unit)
(Outdoor Air Temperature)
(Outdoor Heat Exchanger Thermistor)
(Outdoor Heat Exchanger Thermistor)
(Compressor Frequency)
(High Pressure)
(Low Pressure)
(Discharge Pipe Temperature)
(Comp Bottom Temperature)
(Current)
(Target Super Heat)
(Super Heat)
(Discharge Pipe Super Heat)
(Protection State No. of The Compressor)
(Outdoor Unit Fan Speed)
(63H1 On/Off)
(Defrost Control On/Off)
(Total Running Hours of The Compressor)
(Pulse of The Outdoor Unit Expansion Valve EEVC)
(Pulse of The Outdoor Unit Expansion Valve EEVH)