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Alarm Code Output; Resetting The Inverter - Mitsubishi Electric FR-A500 Instruction Manual

Transistorized inverter.
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5.1.4

Alarm code output

By setting Pr. 76 "alarm code output selection", an alarm definition can be output as a 4-bit digital signal. This
signal is output from the open collector output terminals equipped as standard on the inverter.
Correlations between alarm definitions and alarm codes are as follows.
Operation Panel Display
(FR-DU04)
E.OC1
E.OC2
E.OC3
E.OV1
E.OV2
E.OV3
E.THM
E.THT
E.IPF
E.UVT
E.FIN
E. BE
E. GF
E.OHT
E.OLT
E.OPT
E.OP1 to E.OP3
E. PE
E.PUE
E.RET
E.LF
E.CPU
E. 1 to E. 3
E. 6
E. 7
E.ECT
E.OSD
5.1.5

Resetting the inverter

The inverter can be reset by performing any of the following operations. Note that the internal thermal
integrated value of the electronic thermal relay function and the number of retries are cleared (erased) by
resetting the inverter.
Recover about 1s after reset is cancelled.
Operation 1: Using the operation panel (FR-DU04), press the
Operation 2: Switch power off once, then switch it on again.
Operation 3: Switch on the reset signal (RES).
Output Terminal Signal On-Off
SU
IPF
OL
0
0
0
0
0
1
0
0
1
0
1
0
0
1
0
0
1
1
0
1
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
1
1
1
(Note) 0: Output transistor OFF, 1: Output transistor ON (common terminal SE)
The alarm output assumes that Pr. 195 setting is "99" (factory setting).
PROTECTIVE FUNCTIONS
Alarm Code
FU
1
1
0
2
1
3
0
4
1
5
0
6
1
7
0
8
1
9
0
A
1
B
0
C
1
D
0
E
0
E
1
F
STOP
key to reset the inverter.
RESET
202
Alarm Output (across B-C)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Not provided (Closed) (Provided
when OLT is displayed (Open))
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)
Provided (Open)

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