Mitsubishi Electric F700 Instruction Manual Page 67
- Page / 143
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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62
List of alarm display
5 TROUBLESHOOTING
When an alarm (major failures) occurs in the inverter, the protective function is activated bringing the inverter to an
alarm stop and the PU display automatically changes to any of the following error (alarm) indications.
If your fault does not correspond to any of the following errors or if you have any other problem, please contact your
sales representative.
• Retention of alarm output signal ..................When the magnetic contactor (MC) provided on the input side of the
inverter is opened at the activation of the protective function, the inverter's
control power will be lost and the alarm output will not be held.
• Alarm display............................................When the protective function is activated, the operation panel display
automatically switches to the above indication.
• Resetting method............................................When the protective function is activated, the inverter output is kept stopped.
Unless reset, therefore, the inverter cannot restart. (Refer to page 74.)
• When the protective function is activated, take the corresponding corrective action, then reset the inverter, and
resume operation.
Not doing so may lead to the inverter fault and damage.
5.1 List of alarm display
* If an error occurs when using the FR-PU04, "Fault 14" is displayed
on the FR-PU04.
Operation Panel
Indication
Name
Refer
to
Error message
HOLD Operation panel lock 63
Er1 to 4
Parameter write error 63
rE1 to 4
Copy operation error 63
Err. Error 64
Warnings
OL
Stall Prevention (overcurrent)
65
oL
Stall prevention (overvoltage)
65
RB
Regenerative brake prealarm
66
TH
Electronic thermal relay
function prealarm
66
PS PU Stop 65
MT Maintenance signal output 66
CP Parameter copy 66
Minor fault
FN Fan fault 66
Major failures
E.OC1
Overcurrent shut-off
during acceleration
67
E.OC2
Overcurrent shut-off
during constant speed
67
E.OC3
Overcurrent shut-off during
deceleration or stop
67
E.OV1
Regenerative overvoltage
shut-off during acceleration
67
E.OV2
Regenerative overvoltage
shut-off during constant
speed
68
E.OV3
Regenerative overvoltage
shut-off during
deceleration or stop
68
E.THT
Inverter overload shut-off
(electronic thermal relay function)
68
E.THM
Motor overload shut-off
(electronic thermal relay function)
68
E.FIN Fin overheat 69
E.IPF
Instantaneous power
failure protection
69
E.UVT Undervoltage protection 69
to
to
Major failures
E.ILF* Input phase failure 69
E.OLT Stall Prevention 70
E.GF
Output side earth (ground)
fault overcurrent protection
70
E.LF
Output phase failure
protection
70
E.OHT
External thermal relay
operation
*2
70
E.PTC*
PTC thermistor operation 70
E.OPT Option alarm 70
E.OP1
Communication option
alarm
71
E. 1 Option alarm 71
E.PE
Parameter storage devide
alarm
71
E.PUE PU disconnection 71
E.RET Retry count excess 71
E.PE2*
Parameter storage devide
alarm
71
/
/
E. 6 /
E. 7 /
E.CPU
CPU error 72
E.CTE
Operation panel power
supply short circuit
RS-485 terminals power
supply short circuit
72
E.P24
24VDC power output short
circuit
72
E.CDO*
Output current detection
value exceeded
72
E.IOH* Inrush resistor overheat 72
E.SER*
Communication error
(inverter)
73
E.AIE* Analog input error 73
E.BE
Brake transistor alarm
detection/internal circuit
error
69
E.13 Internal circuit error 73
Operation Panel
Indication
Name
Refer
to
- INSTRUCTION MANUAL (BASIC) 1
- INVERTER 1
- 4. Additional Instructions 2
- Environment 2
- , surge suppressor or radio 2
- 2 INSTALLATION AND WIRING 2 3
- 3 DRIVE THE MOTOR 28 3
- 4 ADJUSTMENT 51 4
- 5 TROUBLESHOOTING 62 4
- 7 SPECIFICATIONS 91 5
- APPENDICES 110 5
- FR --F740 6
- 2 INSTALLATION AND WIRING 7
- 2.1 Peripheral devices 8
- Peripheral devices 9
- INSTALLATION AND WIRING 10
- •Reinstallation 11
- 2.4 Wiring 13
- 200V class 14
- Screw size 17
- Cable Sizes 19
- (3) Total wiring length 21
- (2) Output signals 23
- (separate power) 25
- (7) Control logic switchover 27
- 2.4.7 RS-485 terminal block 30
- 2.4.8 Communication operation 30
- 3.1 Step of operation 33
- 3.2 Operation panel (FR-DU07) 34
- Operation panel (FR-DU07) 35
- DRIVE THE MOTOR 36
- Operation 37
- 3 Base frequency 39
- (PU operation mode) 40
- Flickering 42
- Operation Display 43
- DisplayOperation 45
- 11. Stop 45
- (external operation) 48
- Three-phase 50
- AC power supply 50
- 10. Stop 51
- 7. Mode/monitor check 51
- 4 ADJUSTMENT 56
- CAUTION 58
- (Pr.7, Pr.8) 59
- ADJUSTMENT 60
- 4.7 Parameter clear 63
- 4.8 All parameter clear 64
- 4.9 Parameter copy 65
- 4.10 Parameter verification 66
- 5.1 List of alarm display 67
- Causes and corrective actions 68
- TROUBLESHOOTING 68
- Inverter 79
- (2) Clearing procedure 81
- 6.1 Inspection Item 84
- Inspection Item 85
- 6.1.6 Cleaning 88
- 6.1.7 Replacement of parts 89
- 6.1.8 Inverter replacement 93
- Earth (ground) terminal 94
- Measuring 95
- 7.1 Rating 96
- •400V class 97
- 7.2 Common specifications 98
- Common specifications 99
- Outline dimension drawings 100
- SPECIFICATIONS 100
- • DC reactor supplied 106
- • FR-F740-250K, 280K, 315K 106
- • FR-F740-400K 108
- • FR-F740-450K 109
- • FR-F740-500K, 560K 110
- • FR-PU04 111
- • FR-F740-185K to 315K 113
- • FR-F740-355K or more 113
- APPENDICES 115
- Extended parameters 117
- Extended parameter list 118
- (2) Wiring instructions 139
- Instructions for installation 140
- (1) EMC Directive 142
- (2) Low Voltage Directive 142
- Print Date 143
- Manual Number 143
- Revision 143
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