Mitsubishi Electric FR-E540 Instruction Manual Page 181
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- TROUBLESHOOTING
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PROTECTIVE FUNCTIONS
167
Operation Panel
Indication
E.OLT
FR-PU04
Stll Prev STP (OL shown during stall
prevention operation)
Name
Stall prevention
Description
The running frequency has fallen to 0 by stall prevention activated. (OL while
stall prevention is being activated.)
Check point
Check the motor for use under overload.
Corrective action
Reduce the load weight.
Operation Panel
Indication
E.OPT
FR-PU04
Option Fault
Name
Option alarm
Description
Stops the inverter output if two or more communication options are fitted.
(Note 4)
When the high power factor converter is connected, this alarm appears if an AC
power supply is accidentally connected to R, S, T <L
1
, L
2
, L
3
>.
Check point
•
Check that the number of communication options fitted is one.
•
When the high power factor converter is connected, check for an AC power
supply connected to the R, S, T <L
1
, L
2
, L
3
> terminals.
Corrective action
•
Reduce the communication options used to one.
•
Check the parameter (Pr. 30) setting and wiring.
•
When the high power factor converter is connected, connecting an AC power
supply to the R, S, T <L
1
, L
2
, L
3
> terminals may have damaged the inverter.
Contact your sales representative.
Note 4: The FR-A5NR (relay output/computer link) allows you to fit one more communication option. In this
case, only the relay output function may be used and the computer link function is unusable.
Operation Panel
Indication
E.OP1
to OP3
FR-PU04
Option slot alarm 1 to 3
Name
Option slot alarm
Description
Stops the inverter output if a functional alarm occurs in the plug-in option loaded
in the corresponding slot (e.g. communication alarm of the communication
option, contact fault of the plug-in option other than a communication option)
Check point
•
Check for a wrong option function setting and operation.
•
Check that the plug-in option is connected to the connector securely.
(1 to 3 indicate the option slot numbers.)
•
Check the communication cable for wire breakage.
•
Check that the termination resistor is fitted properly.
Corrective action
•
Confirm the option function setting, etc.
•
Connect the plug-in option securely.
Operation Panel
Indication
E.PE
FR-PU04
Corrupt Memry
Name
Parameter storage device alarm
Description
Stops the inverter output if a fault occurs in the E
2
PROM device which stores
parameter settings.
Check point
Check for too many number of parameter write times.
Corrective action
Change the inverter.
- FR-F520-0.75K to 55K 1
- FR-F540-0.75K to 55K(-EC) 1
- FR-F520-11K to 55K-NA 1
- FR-F540-11K to 55K-NA 1
- SAFETY INSTRUCTIONS 3
- 1. Electric Shock Prevention 3
- 2. Fire Prevention 3
- 3. Injury Prevention 3
- 4. Additional instructions 4
- (2) Wiring 4
- (3) Trial run 4
- (4) Operation 4
- (5) Emergency stop 5
- (7) Disposing of the inverter 5
- (8) General instructions 5
- CONTENTS 6
- Contents 6
- 6 SPECIFICATIONS 184 9
- 7 OPTIONS 192 9
- APPENDICES 195 9
- CHAPTER 1 10
- 1.1 Pre-Operation Information 11
- 1.2 Basic Configuration 12
- 1.3 Structure 13
- Front cover 14
- Inverter 14
- INSTALLATION AND WIRING 17
- 2.1 Installation 18
- 2.2 Wiring 20
- Notes on Grounding 24
- EC version 30
- NA and Japanese version 30
- Twin contact 38
- Low-level signal contacts 38
- 2.3 Other wiring 39
- 2.3.6 Peripheral devices 48
- 2.3.9 Earthing (EC version) 53
- CHAPTER 3 54
- OPERATION/CONTROL 54
- 3.1 Pre-Operation Information 55
- 3.1.2 Power on 57
- 3.2 Operation Panel 58
- 3.2.3 Monitoring 59
- 3.2.4 Frequency setting 59
- 3.2.6 Operation mode 61
- 3.2.7 Help mode 61
- 3.2.8 Copy mode 63
- 3.3.1 Parameter checking 64
- Simple mode parameter 65
- 3.3.2 Main parameter settings 66
- 3.4 Operation 68
- CONTROL PANEL 69
- 3.4.3 PU operation mode 70
- 3.4.4 Combined operation mode 71
- CHAPTER 4 72
- PARAMETERS 72
- 4 PARAMETERS 73
- 4.1 Parameter List 73
- Output frequency (Hz) 81
- Output voltage 81
- (Pr. 52 to Pr. 54, Pr. 158) 99
- With alarm 100
- PARAMETERS 101
- 4.2.29 Applied motor (Pr. 71) 110
- 4.2.31 Voltage input (Pr. 73) 112
- (Pr. 75) 113
- Time (Minute) 131
- Minute (Second) 131
- (Pr. 135 to Pr. 139) 140
- Set time (s) 149
- Overload status (OL output) 149
- OL output signal 149
- (Pr. 170, Pr. 171) 151
- Pr. 516 Pr. 504 163
- Pr. 502 + Pr. 503 163
- (Pr. 902 to Pr. 905) 170
- MON EXT PU 172
- PROTECTIVE FUNCTIONS 176
- 5 PROTECTIVE FUNCTIONS 177
- 5.1 Errors (Alarms) 177
- (2) Minor fault 184
- (3) Warnings 184
- 5.1.4 Alarm code output 187
- 5.1.5 Resetting the inverter 187
- 5.2 Troubleshooting 188
- 5.3.2 Check items 190
- 5.3.3 Periodic inspection 190
- 5.3.5 Pressure test 191
- <Preparation> 193
- <Checking method> 193
- Fan cover 194
- Fan connectors 194
- <Example: FR-F540-5.5K> 194
- 5.3.8 Inverter replacement 195
- CHAPTER 6 198
- SPECIFICATIONS 198
- 6 SPECIFICATIONS 199
- 6.1 Standard Specifications 199
- 6.1.2 Common specifications 201
- 95 (3.74) 203
- CHAPTER 7 207
- 7 OPTIONS 208
- 7.1 Option List 208
- • Inboard options 210
- APPENDICES 211
- Appendix 1 Data Code List 212
- REVISIONS 217
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