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Mitsubishi Electric FR-F700PJ Instruction Manual Page 254

Air-conditioning inverter.
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Data
Definition
No fault
H00
present
H10
E.OC1
H11
E.OC2
H12
E.OC3
H20
E.OV1
H21
E.OV2
H22
E.OV3
H30
E.THT
H31
E.THM
H40
E.FIN
* Refer to page 297 for details of fault records.
 Model information monitor
Register
Definition
44001 to
Inverter model
44010
44011 to
Capacity
44013
(7)
Pr. 343 Communication error count
You can check the cumulative number of communication errors.
Parameter
Setting Range
343
NOTE
The number of communication errors is temporarily stored into the RAM. As it is not stored into the EEPROM
performing a power supply reset or inverter reset clears the value to 0.
(8)
Output terminal LF "alarm output (communication error warnings)"
During a communication error, the alarm signal (LF signal) is output by open collector output. Assign the used terminal
using Pr. 190 or Pr. 192 (output terminal function selection).
Master
Alarm data
Slave
Communication
0
Error count
(Pr. 343)
OFF
LF signal
NOTE
The LF signal can be assigned to the output terminal using Pr. 190 or Pr. 192. Changing the terminal assignment may
affect the other functions. Set parameters after confirming the function of each terminal.
Fault code list
Data
Definition
H51
E.UVT
H52
E.ILF
H60
E.OLT
H61
E.SOT
H70
E.BE
H80
E.GF
H81
E.LF
H90
E.OHT
H91
E.PTC
HB0
E.PE
HB1
E.PUE
Read/Write
Reading inverter
"H20" (blank code) is set for blank area
Read
Example of FR-F740PJ
H46, H52, H2D, H46, H37, H34, H30, H50, H4A, H20 ................ H20
Reading inverter capacity in ASCII code.
Data is read in increments of 0.1kW, and rounds down to 0.01kW
increments
Read
"H20" (blank code) is set for blank area
Example
0.75K ..............."
Minimum
Setting Range
(Reading only)
Alarm data
Normal data
Not increased
ON
Communication error count is increased
in synchronization with leading edge
of LF signal
Communication operation and setting
Data
Definition
HB2
E.RET
HC0
E.CPU
HC4
E.CDO
HC5
E.IOH
HC7
E.AIE
HC9
E.SAF
HD0
E.OS
HE6
E.PID
HF5
E.5
Remarks
model
in ASCII code.
7" (H20, H20, H20, H20, H20, H37)
Initial Value
1
0
Alarm data
Reply data
1
OFF
Turns OFF when normal data is received
Alarm data: Data resulting in communication error.
Normal data
Reply data
2
OFF
ON
249
4

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