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Mitsubishi Electric FR-A500 Instruction Manual Page 128

Transistorized inverter.
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(3) Monitoring the offline tuning status
When the parameter unit (FR-PU04) is used, the Pr. 96 value is displayed during tuning on the main
monitor as shown below. When the operation panel (FR-DU04) is used, only the same numerical value as
on the PU is displayed:
• Parameter unit (FR-PU04) main monitor
Display
• Operation panel (FR-DU04) display
Display
• Reference: Offline auto tuning time (factory setting)
Offline Auto Tuning Setting
1: No-rotation mode
2: Rotation mode
(4) Ending the offline auto tuning
1) Confirm the Pr. 96 value.
•Normal end: "3" or "103" is displayed.
•Error-activated end: "9", "91", "92" or "93" is displayed.
•Forced end ... "8" is displayed.
2) When tuning ended normally.
For PU operation, press the
This operation resets the offline auto tuning and the PU's monitor display returns to the ordinary indication.
(Without this operation, next operation cannot be done.)
3) When tuning was ended due to an error.
Offline auto tuning did not end normally. (Motor constants have not been set.) Reset the inverter and start
tuning all over again.
4) Error display definitions.
Error Display
9
91
92
93
No connection with motor will result in 93 error.
1. Setting
2. Tuning in progress
TUNE
1
STOP
PU
STF
FWD
TUNE
102
101
STOP
PU
STF
FWD
1. Setting
2. Tuning in progress
1
2
101
102
Approximately 25s
Approximately 40s
(Offline auto tuning time varies with acceleration and deceleration time settings as
indicated below:
Offline auto tuning time = acceleration time + deceleration time + approximately 30 s)
STOP
key. For external operation, switch off the start signal (STF or STR).
RESET
Error Cause
Inverter trip
Current limit (stall prevention) function was
activated.
Inverter output voltage reached 75% of rated
value.
Calculation error
119
3. Completion
TUNE
3
2
COMPLETION
PU
STF
STOP
PU
TUNE
103
COMPLETION
PU
STF
STOP
PU
3. Completion
3
103
Time
Re-set.
Increase acceleration/deceleration time. Set "1"
in Pr. 156.
Check for fluctuation of power supply voltage.
Check the motor wiring and re-set.
PARAMETERS
(For inverter trip)
4. Error-activated end
TUNE
9
COMPLETION
STF
STOP
PU
(For inverter trip)
4. Error-activated end
9
Remedy
4

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